Annotations: 7AQK

Model of the actin filament Arp2/3 complex branch junction in cells

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
R [auth r]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
R [auth r]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
Q [auth q]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
Q [auth q]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
P [auth p]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
P [auth p]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
O [auth o]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
O [auth o]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
N [auth n]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
N [auth n]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
M [auth m]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
M [auth m]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
L [auth l]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
L [auth l]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
K [auth k]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
K [auth k]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
J [auth j]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
J [auth j]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
I [auth i]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
I [auth i]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
H [auth h]	SCOP2B Superfamily	Actin-like ATPases	8092419	3000092	SCOP2B (2022-06-29)
H [auth h]	SCOP2B Superfamily	Actin-like ATPases	8082541	3000092	SCOP2B (2022-06-29)
G [auth g]	SCOP2 Family	Arp2/3 complex 16 kDa subunit ARPC5	8103501	4002906	SCOP2 (2022-06-29)
G [auth g]	SCOP2 Superfamily	Arp2/3 complex 16 kDa subunit ARPC5	8103502	3001882	SCOP2 (2022-06-29)
F [auth f]	SCOP2 Family	Arp2/3 complex subunits	8103395	4003389	SCOP2 (2022-06-29)
F [auth f]	SCOP2 Superfamily	Arp2/3 complex subunits	8103396	3000751	SCOP2 (2022-06-29)
E [auth e]	SCOP2 Family	Arp2/3 complex 21 kDa subunit ARPC3	8103511	4002866	SCOP2 (2022-06-29)
E [auth e]	SCOP2 Superfamily	Arp2/3 complex 21 kDa subunit ARPC3	8103512	3001830	SCOP2 (2022-06-29)
C [auth c]	SCOP2 Family	WD40-repeat	8103529	4002744	SCOP2 (2022-06-29)
C [auth c]	SCOP2 Superfamily	WD40 repeat-like	8103530	3001694	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
R [auth r]	Ariadne	e7aqkr1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
Q [auth q]	Ariadne	e7aqkq1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
P [auth p]	Ariadne	e7aqkp1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
O [auth o]	Ariadne	e7aqko1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
N [auth n]	Ariadne	e7aqkn1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
M [auth m]	Ariadne	e7aqkm1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
L [auth l]	Ariadne	e7aqkl1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
K [auth k]	Ariadne	e7aqkk1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
J [auth j]	Ariadne	e7aqkj1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
I [auth i]	Ariadne	e7aqki1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
H [auth h]	Ariadne	e7aqkh1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
G [auth g]	Ariadne	e7aqkg1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
F [auth f]	Ariadne	e7aqkf1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
E [auth e]	Ariadne	e7aqke1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
D [auth d]	Ariadne	e7aqkd1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
C [auth c]	Ariadne	e7aqkc1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
B [auth a]	Ariadne	e7aqka1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)
A [auth b]	Ariadne	e7aqkb1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ariadne	ECOD (v295.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], M [auth m], N [auth n], O [auth o], P [auth p], Q [auth q], R [auth r]	Actin, alpha skeletal muscle, ACTA1	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding structural constituent of cytoskeleton structural molecule activity hydrolase activity catalytic activity	developmental process mesenchyme migration multicellular organismal process mesenchyme morphogenesis animal organ development mesenchyme development tissue development tissue morphogenesis anatomical structure morphogenesis tissue migration anatomical structure development animal organ morphogenesis animal gross anatomical part developmental process myotube cell development developmental process mesenchyme migration multicellular organismal process mesenchyme morphogenesis animal organ development mesenchyme development tissue development tissue morphogenesis anatomical structure morphogenesis tissue migration anatomical structure development animal organ morphogenesis animal gross anatomical part developmental process myotube cell development skeletal muscle fiber development cellular developmental process skeletal muscle tissue development cell development muscle cell differentiation myotube differentiation striated muscle tissue development muscle structure development skeletal muscle organ development striated muscle cell development muscle cell development cell differentiation cellular process muscle tissue development muscle organ development striated muscle cell differentiation regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation positive regulation of biological process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process metabolic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular process cellular component assembly involved in morphogenesis skeletal myofibril assembly membraneless organelle assembly cellular component organization cellular component biogenesis cellular anatomical entity morphogenesis cellular component assembly actin filament-based process cellular component organization or biogenesis skeletal muscle thin filament assembly actin cytoskeleton organization actomyosin structure organization organelle assembly actin filament organization organelle organization myofibril assembly anatomical structure formation involved in morphogenesis supramolecular fiber organization cytoskeleton organization	cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium intracellular anatomical structure intracellular membraneless organelle sarcomere intracellular organelle organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium intracellular anatomical structure intracellular membraneless organelle sarcomere intracellular organelle organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex cytoskeleton actin cytoskeleton actin filament bundle actomyosin stress fiber contractile actin filament bundle polymeric cytoskeletal fiber actin filament cell body striated muscle thin filament myofilament actin-based cell projection filopodium protein-containing complex
G [auth g]	Actin-related protein 2/3 complex subunit 5, ArpC5	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding structural constituent of cytoskeleton structural molecule activity protein-macromolecule adaptor activity molecular adaptor activity	actin cytoskeleton organization actin filament organization Arp2/3 complex-mediated actin nucleation cellular component organization organelle organization actin filament-based process cellular process cellular component organization or biogenesis actin nucleation supramolecular fiber organization cytoskeleton organization muscle cell migration cell migration cell motility actin cytoskeleton organization actin filament organization Arp2/3 complex-mediated actin nucleation cellular component organization organelle organization actin filament-based process cellular process cellular component organization or biogenesis actin nucleation supramolecular fiber organization cytoskeleton organization muscle cell migration cell migration cell motility smooth muscle cell migration maintenance of cell polarity establishment or maintenance of cell polarity actin filament network formation plasma membrane bounded cell projection organization cell projection organization lamellipodium organization localization microtubule organizing center localization regulation of cytoskeleton organization regulation of cellular process regulation of cellular component organization regulation of actin filament-based process regulation of cellular component size cellular component biogenesis regulation of protein-containing complex assembly cellular component assembly protein-containing complex assembly regulation of actin filament polymerization regulation of biological quality protein polymerization actin polymerization or depolymerization regulation of biological process regulation of actin filament organization actin filament polymerization protein-containing complex organization biological regulation regulation of actin polymerization or depolymerization regulation of cellular component biogenesis regulation of organelle organization regulation of protein polymerization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization regulation of anatomical structure size	cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle cytoplasm vesicle postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization synapse cell junction asymmetric synapse Arp2/3 protein complex protein-containing complex cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton site of double-strand break site of DNA damage chromosome growth cone axon distal axon neuron projection site of polarized growth cell cortex cortical cytoskeleton cell periphery glutamatergic synapse nucleus
F [auth f]	Actin-related protein 2/3 complex subunit 4, ArpC4	structural constituent of cytoskeleton structural molecule activity cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding enzyme binding protein-macromolecule adaptor activity molecular adaptor activity	protein polymerization actin polymerization or depolymerization actin filament polymerization actin cytoskeleton organization protein-containing complex organization actin filament organization cellular component organization cellular component biogenesis organelle organization cellular component assembly protein-containing complex assembly actin filament-based process cellular process cellular component organization or biogenesis protein polymerization actin polymerization or depolymerization actin filament polymerization actin cytoskeleton organization protein-containing complex organization actin filament organization cellular component organization cellular component biogenesis organelle organization cellular component assembly protein-containing complex assembly actin filament-based process cellular process cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization Arp2/3 complex-mediated actin nucleation actin nucleation	intracellular organelle Arp2/3 protein complex protein-containing complex cellular anatomical structure intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton site of double-strand break site of DNA damage chromosome cell projection intracellular organelle Arp2/3 protein complex protein-containing complex cellular anatomical structure intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton site of double-strand break site of DNA damage chromosome cell projection membrane-bounded organelle nucleus intracellular membrane-bounded organelle
E [auth e]	Actin-related protein 2/3 complex subunit 3, ArpC3	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding structural constituent of cytoskeleton structural molecule activity	actin cytoskeleton organization actin filament organization Arp2/3 complex-mediated actin nucleation cellular component organization organelle organization actin filament-based process cellular process cellular component organization or biogenesis actin nucleation supramolecular fiber organization cytoskeleton organization regulation of localization import into cell cellular localization actin cytoskeleton organization actin filament organization Arp2/3 complex-mediated actin nucleation cellular component organization organelle organization actin filament-based process cellular process cellular component organization or biogenesis actin nucleation supramolecular fiber organization cytoskeleton organization regulation of localization import into cell cellular localization regulation of cellular component organization regulation of cellular process transport synaptic vesicle cycle regulation of synaptic vesicle recycling vesicle-mediated transport presynaptic endocytosis vesicle-mediated transport in synapse localization synaptic vesicle recycling regulation of synaptic vesicle endocytosis establishment of localization in cell regulation of endocytosis synaptic vesicle endocytosis regulation of biological process regulation of transport biological regulation establishment of localization endocytosis regulation of cytoskeleton organization regulation of actin filament-based process regulation of cellular component size cellular component biogenesis regulation of protein-containing complex assembly cellular component assembly protein-containing complex assembly regulation of actin filament polymerization regulation of biological quality protein polymerization actin polymerization or depolymerization regulation of actin filament organization actin filament polymerization protein-containing complex organization regulation of actin polymerization or depolymerization regulation of cellular component biogenesis regulation of organelle organization regulation of protein polymerization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization regulation of anatomical structure size	cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium axon neuron projection growth cone leading edge peripheral region of growth cone growth cone distal axon site of polarized growth intracellular organelle Arp2/3 protein complex cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium axon neuron projection growth cone leading edge peripheral region of growth cone growth cone distal axon site of polarized growth intracellular organelle Arp2/3 protein complex protein-containing complex intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton polymeric cytoskeletal fiber actin filament filamentous actin supramolecular fiber supramolecular polymer supramolecular complex site of double-strand break site of DNA damage chromosome membrane-bounded organelle nucleus intracellular membrane-bounded organelle
D [auth d]	Actin-related protein 2/3 complex subunit 2, ArpC2	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding ATPase binding enzyme binding signaling receptor binding glutamate receptor binding structural constituent of cytoskeleton structural molecule activity	cellular response to stimulus cellular response to nitrogen compound response to ketone response to stimulus response to alcohol response to oxygen-containing compound response to nitrogen compound cellular response to ether cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to alcohol response to ether response to chemical response to rapamycin cellular response to stimulus cellular response to nitrogen compound response to ketone response to stimulus response to alcohol response to oxygen-containing compound response to nitrogen compound cellular response to ether cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to alcohol response to ether response to chemical response to rapamycin cellular process cellular response to rapamycin cellular response to ketone positive regulation of substrate adhesion-dependent cell spreading regulation of biological process regulation of cellular process regulation of cell-substrate adhesion positive regulation of cell adhesion regulation of substrate adhesion-dependent cell spreading regulation of cell adhesion biological regulation positive regulation of biological process cell-substrate adhesion cell adhesion positive regulation of cell-substrate adhesion substrate adhesion-dependent cell spreading positive regulation of cellular process positive regulation of locomotion regulation of cell motility positive regulation of smooth muscle cell migration regulation of smooth muscle cell migration positive regulation of cell migration smooth muscle cell migration muscle cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion actin cytoskeleton organization actin filament organization Arp2/3 complex-mediated actin nucleation cellular component organization organelle organization actin filament-based process cellular component organization or biogenesis actin nucleation supramolecular fiber organization cytoskeleton organization regulation of cellular component organization positive regulation of cellular component organization cell projection organization positive regulation of podosome assembly plasma membrane bounded cell projection assembly cellular component biogenesis positive regulation of protein-containing complex assembly regulation of protein-containing complex assembly cellular component assembly regulation of podosome assembly protein-containing complex assembly positive regulation of cell projection organization plasma membrane bounded cell projection organization podosome assembly positive regulation of cellular component biogenesis protein-containing complex organization regulation of cell projection organization regulation of cell projection assembly regulation of cellular component biogenesis regulation of plasma membrane bounded cell projection assembly cell projection assembly regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly regulation of localization cellular localization establishment of protein localization regulation of protein localization protein targeting positive regulation of establishment of protein localization localization regulation of protein targeting to membrane intracellular protein localization establishment of protein localization to membrane regulation of establishment of protein localization localization within membrane establishment of localization protein targeting to membrane regulation of cellular localization regulation of protein targeting macromolecule localization positive regulation of protein targeting to membrane cellular response to endogenous stimulus cellular response to growth factor stimulus cellular response to platelet-derived growth factor stimulus response to endogenous stimulus response to growth factor response to platelet-derived growth factor regulation of cellular component size negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization actin filament capping regulation of biological quality negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization positive regulation of barbed-end actin filament capping cellular component disassembly barbed-end actin filament capping negative regulation of cellular component organization regulation of organelle organization negative regulation of protein depolymerization negative regulation of protein-containing complex assembly regulation of protein polymerization regulation of supramolecular fiber organization regulation of barbed-end actin filament capping regulation of cytoskeleton organization regulation of actin filament-based process negative regulation of protein-containing complex disassembly negative regulation of cellular process negative regulation of protein polymerization regulation of actin filament polymerization actin polymerization or depolymerization protein polymerization regulation of actin filament organization actin filament polymerization regulation of protein depolymerization negative regulation of cytoskeleton organization regulation of actin polymerization or depolymerization negative regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization negative regulation of actin filament depolymerization protein depolymerization regulation of anatomical structure size positive regulation of organelle organization positive regulation of protein polymerization positive regulation of cytoskeleton organization positive regulation of supramolecular fiber organization positive regulation of actin filament polymerization filopodium assembly regulation of filopodium assembly positive regulation of filopodium assembly cellular response to epidermal growth factor stimulus response to epidermal growth factor signaling signal transduction intracellular signal transduction cell communication regulation of lamellipodium assembly regulation of lamellipodium organization lamellipodium assembly positive regulation of lamellipodium assembly positive regulation of lamellipodium organization lamellipodium organization	polymeric cytoskeletal fiber intracellular anatomical structure actin filament intracellular membraneless organelle actin cytoskeleton intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle supramolecular fiber actin filament branch point supramolecular polymer supramolecular complex polymeric cytoskeletal fiber intracellular anatomical structure actin filament intracellular membraneless organelle actin cytoskeleton intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle supramolecular fiber actin filament branch point supramolecular polymer supramolecular complex cell projection cell leading edge plasma membrane bounded cell projection lamellipodium somatodendritic compartment cell body perikaryon neuronal cell body ventral surface of cell cell surface membrane-bounded organelle intracellular vesicle intracellular membrane-bounded organelle endomembrane system cytoplasmic vesicle secretory granule secretory vesicle cytoplasm vesicle synapse cell junction glutamatergic synapse dendrite dendritic tree neuron projection dendritic shaft podosome core podosome actin-based cell projection neuron spine dendritic spine postsynapse protein-containing complex filamentous actin podosome ring transport vesicle membrane presynapse bounding membrane of organelle vesicle membrane synaptic vesicle synaptic vesicle membrane transport vesicle membrane exocytic vesicle membrane cytoplasmic vesicle membrane organelle membrane exocytic vesicle anchoring junction focal adhesion cell-substrate junction ruffle plasma membrane leading edge membrane cell periphery ruffle membrane plasma membrane region cell projection membrane sperm head concave side of sperm head Arp2/3 protein complex muscle cell projection muscle cell projection membrane growth cone axon distal axon site of polarized growth nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen endosome peripheral region of growth cone Schaffer collateral - CA1 synapse apical dendrite site of double-strand break site of DNA damage chromosome axon terminus neuron projection terminus
C [auth c]	Actin-related protein 2/3 complex subunit 1b, ArpC1b	structural constituent of cytoskeleton structural molecule activity cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding	actin cytoskeleton organization actin filament organization Arp2/3 complex-mediated actin nucleation cellular component organization organelle organization actin filament-based process cellular process cellular component organization or biogenesis actin nucleation supramolecular fiber organization cytoskeleton organization	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex tubulobulbar complex intracellular organelle Arp2/3 protein complex cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton membrane-bounded organelle cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex tubulobulbar complex intracellular organelle Arp2/3 protein complex cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton membrane-bounded organelle nucleus intracellular membrane-bounded organelle
B [auth a]	Actin-related protein 3, Arp3	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding ATPase binding enzyme binding structural constituent of cytoskeleton structural molecule activity	developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation regulation of cytoskeleton organization regulation of biological process regulation of cellular component organization regulation of cellular process regulation of actin filament-based process actin cytoskeleton organization developmental process spermatogenesis sexual reproduction reproductive process multicellular organismal reproductive process developmental process involved in reproduction male gamete generation gamete generation regulation of cytoskeleton organization regulation of biological process regulation of cellular component organization regulation of cellular process regulation of actin filament-based process actin cytoskeleton organization biological regulation myosin filament organization regulation of myosin II filament organization regulation of organelle organization cellular component organization myosin II filament organization organelle organization regulation of actin cytoskeleton organization actin filament-based process regulation of supramolecular fiber organization cellular process cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization axon extension multicellular organismal process regulation of growth axonogenesis regulation of cellular component size developmental growth cell projection organization negative regulation of biological process regulation of cell differentiation regulation of neurogenesis neuron projection development regulation of cell development multicellular organism development cell projection morphogenesis neuron differentiation negative regulation of growth neuron projection morphogenesis cell differentiation anatomical structure development regulation of biological quality system development negative regulation of cellular component organization regulation of cell projection organization negative regulation of cell growth nervous system development developmental growth involved in morphogenesis generation of neurons negative regulation of axonogenesis negative regulation of developmental growth negative regulation of multicellular organismal process regulation of neuron projection development cellular developmental process regulation of developmental process plasma membrane bounded cell projection morphogenesis cell development cell growth cell morphogenesis regulation of axon extension regulation of nervous system development neurogenesis negative regulation of neurogenesis regulation of extent of cell growth regulation of axonogenesis negative regulation of cellular process negative regulation of nervous system development regulation of multicellular organismal process negative regulation of cell differentiation negative regulation of cell projection organization regulation of anatomical structure morphogenesis regulation of cell size neuron projection extension regulation of multicellular organismal development regulation of developmental growth plasma membrane bounded cell projection organization developmental cell growth negative regulation of developmental process growth negative regulation of axon extension axon development regulation of cell growth cell morphogenesis involved in neuron differentiation negative regulation of neuron projection development anatomical structure morphogenesis negative regulation of cell development neuron development animal gross anatomical part developmental process regulation of plasma membrane bounded cell projection organization regulation of anatomical structure size positive regulation of protein localization to plasma membrane regulation of localization cellular localization regulation of protein localization positive regulation of biological process localization intracellular protein localization regulation of protein localization to membrane positive regulation of cellular process positive regulation of protein localization to cell periphery protein localization to cell periphery protein localization to plasma membrane positive regulation of protein localization to membrane regulation of protein localization to cell periphery localization within membrane protein localization to membrane regulation of cellular localization macromolecule localization positive regulation of protein localization regulation of protein localization to plasma membrane cell junction organization postsynapse organization synapse organization actin filament organization Arp2/3 complex-mediated actin nucleation actin nucleation establishment or maintenance of cell polarity cytoskeleton-dependent cytokinesis meiotic cell cycle cytokinesis meiotic cytokinesis meiotic cell cycle process cell division cell cycle cell cycle process Sertoli cell barrier remodeling tissue remodeling cellular response to stimulus response to triterpenoid cellular response to triterpenoid cellular response to chemical stimulus response to lipid response to stimulus response to chemical cellular response to lipid positive regulation of DNA-templated transcription RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II primary metabolic process regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process response to peptide cellular response to interleukin-1 response to cytokine cellular response to cytokine stimulus response to interleukin-1 organelle localization spindle localization establishment of protein localization protein targeting positive regulation of establishment of protein localization regulation of protein targeting to membrane establishment of protein localization to membrane regulation of establishment of protein localization establishment of localization protein targeting to membrane regulation of protein targeting positive regulation of protein targeting to membrane positive regulation of dendritic spine morphogenesis positive regulation of nervous system development positive regulation of dendritic spine development regulation of cell morphogenesis positive regulation of developmental process regulation of dendrite morphogenesis regulation of synapse structure or activity positive regulation of cell projection organization dendritic spine morphogenesis dendritic spine development dendritic spine organization positive regulation of cell development regulation of postsynapse organization positive regulation of cell morphogenesis regulation of dendrite development positive regulation of multicellular organismal process positive regulation of cellular component organization regulation of dendritic spine development dendrite development positive regulation of neuron projection development positive regulation of cell differentiation positive regulation of neurogenesis dendrite morphogenesis positive regulation of dendrite morphogenesis regulation of synapse organization regulation of dendritic spine morphogenesis neuron projection organization meiotic chromosome segregation meiotic chromosome movement towards spindle pole chromosome localization meiotic nuclear division chromosome segregation chromosome movement towards spindle pole organelle fission nuclear division nuclear chromosome segregation microtubule-based movement microtubule-based process cellular component biogenesis cellular component assembly cell junction assembly regulation of synapse assembly positive regulation of cellular component biogenesis regulation of cellular component biogenesis regulation of cell junction assembly positive regulation of cell junction assembly synapse assembly positive regulation of synapse assembly response to heparin response to oxygen-containing compound response to nitrogen compound cellular response to endogenous stimulus cellular response to growth factor stimulus response to transforming growth factor beta cellular response to transforming growth factor beta stimulus response to endogenous stimulus response to growth factor postsynaptic cytoskeleton organization postsynaptic actin cytoskeleton organization asymmetric cell division positive regulation of locomotion regulation of cell motility regulation of fibroblast migration positive regulation of fibroblast migration fibroblast migration positive regulation of cell migration regulation of locomotion ameboidal-type cell migration positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion cellular response to nitrogen compound cellular response to trichostatin A response to trichostatin A response to antibiotic cellular response to oxygen-containing compound cellular response to antibiotic organelle assembly plasma membrane bounded cell projection assembly cilium assembly cilium organization cell projection assembly cellular response to tumor necrosis factor response to tumor necrosis factor astrocyte differentiation central nervous system development gliogenesis glial cell differentiation biological process involved in interspecies interaction between organisms immune response response to other organism defense response response to type II interferon defense response to symbiont response to external stimulus cellular response to type II interferon response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus positive regulation of neuron differentiation regulation of neuron differentiation positive regulation of organelle organization regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly positive regulation of protein polymerization protein-containing complex assembly regulation of actin filament polymerization protein polymerization actin polymerization or depolymerization regulation of actin filament organization actin filament polymerization protein-containing complex organization positive regulation of cytoskeleton organization regulation of actin polymerization or depolymerization positive regulation of supramolecular fiber organization regulation of protein polymerization regulation of actin filament length positive regulation of actin filament polymerization filopodium assembly regulation of filopodium assembly positive regulation of filopodium assembly regulation of cell projection assembly regulation of plasma membrane bounded cell projection assembly positive regulation of plasma membrane bounded cell projection assembly response to pyrimidine ribonucleotide cellular response to pyrimidine ribonucleotide response to organophosphorus cellular response to epidermal growth factor stimulus response to epidermal growth factor negative regulation of plasma membrane bounded cell projection assembly regulation of bleb assembly bleb assembly negative regulation of bleb assembly regulation of lamellipodium assembly regulation of lamellipodium organization lamellipodium assembly positive regulation of lamellipodium assembly positive regulation of lamellipodium organization lamellipodium organization response to estradiol regulation of gliogenesis regulation of astrocyte differentiation positive regulation of gliogenesis positive regulation of astrocyte differentiation regulation of glial cell differentiation positive regulation of glial cell differentiation	cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium cell-cell junction anchoring junction cell junction intracellular anatomical structure intracellular membraneless organelle actin cytoskeleton intracellular organelle podosome actin-based cell projection cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium cell-cell junction anchoring junction cell junction intracellular anatomical structure intracellular membraneless organelle actin cytoskeleton intracellular organelle podosome actin-based cell projection cytoskeleton organelle membraneless organelle apical part of cell cluster of actin-based cell projections brush border cytoplasm synapse glutamatergic synapse membrane-bounded organelle Golgi membrane Golgi apparatus membrane intracellular membrane-bounded organelle endomembrane system bounding membrane of organelle organelle membrane podosome core ruffle perinuclear region of cytoplasm polymeric cytoskeletal fiber actin filament supramolecular fiber supramolecular polymer supramolecular complex postsynapse protein-containing complex tubulobulbar complex apical tubulobulbar complex hemidesmosome cell-substrate junction basal ectoplasmic specialization apical ectoplasmic specialization sperm head concave side of sperm head Arp2/3 protein complex leading edge of lamellipodium excitatory synapse site of double-strand break site of DNA damage chromosome nucleus
A [auth b]	Actin-related protein 2, Arp2	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding structural constituent of cytoskeleton structural molecule activity	meiotic chromosome segregation sexual reproduction reproductive process meiotic cell cycle process cellular component organization localization meiotic chromosome movement towards spindle pole chromosome localization organelle localization meiotic nuclear division cell cycle cellular component organization or biogenesis chromosome segregation chromosome movement towards spindle pole meiotic chromosome segregation sexual reproduction reproductive process meiotic cell cycle process cellular component organization localization meiotic chromosome movement towards spindle pole chromosome localization organelle localization meiotic nuclear division cell cycle cellular component organization or biogenesis chromosome segregation chromosome movement towards spindle pole cell cycle process meiotic cell cycle organelle fission nuclear division organelle organization nuclear chromosome segregation cellular process microtubule-based movement microtubule-based process cell division asymmetric cell division actin cytoskeleton organization actin filament-based process cytoskeleton organization organelle assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component biogenesis cellular component assembly cilium assembly cilium organization cell projection assembly cellular response to stimulus regulation of DNA recombination regulation of cellular process response to stimulus regulation of double-strand break repair regulation of cellular response to stress positive regulation of biological process positive regulation of double-strand break repair via homologous recombination regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of response to stimulus positive regulation of metabolic process positive regulation of DNA repair cellular response to stress response to stress regulation of response to stress recombinational repair positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process double-strand break repair via homologous recombination positive regulation of cellular process DNA repair positive regulation of DNA recombination double-strand break repair regulation of biological process DNA recombination biological regulation primary metabolic process DNA metabolic process regulation of macromolecule metabolic process nucleic acid metabolic process positive regulation of double-strand break repair regulation of DNA repair regulation of double-strand break repair via homologous recombination positive regulation of DNA metabolic process DNA damage response regulation of response to stimulus metabolic process macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process actin filament organization Arp2/3 complex-mediated actin nucleation actin nucleation supramolecular fiber organization biological process involved in interspecies interaction between organisms immune response response to other organism defense response response to type II interferon response to cytokine defense response to symbiont response to external stimulus cellular response to type II interferon response to biotic stimulus response to peptide response to chemical immune system process defense response to other organism innate immune response cellular response to cytokine stimulus response to external biotic stimulus establishment or maintenance of cell polarity cellular localization transport cytosolic transport establishment of localization in cell intracellular transport establishment of localization cytoskeleton-dependent cytokinesis cytokinesis meiotic cytokinesis positive regulation of DNA-templated transcription RNA metabolic process positive regulation of macromolecule biosynthetic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of cellular component organization positive regulation of cellular component organization regulation of lamellipodium assembly regulation of lamellipodium organization positive regulation of cell projection organization lamellipodium assembly positive regulation of cellular component biogenesis regulation of cell projection organization regulation of cell projection assembly positive regulation of lamellipodium assembly regulation of cellular component biogenesis positive regulation of lamellipodium organization regulation of plasma membrane bounded cell projection assembly lamellipodium organization regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly spindle localization positive regulation of dendritic spine morphogenesis multicellular organismal process positive regulation of nervous system development positive regulation of dendritic spine development regulation of cell differentiation regulation of neurogenesis neuron projection development regulation of cell morphogenesis regulation of cell development positive regulation of developmental process multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation regulation of dendrite morphogenesis anatomical structure development regulation of synapse structure or activity synapse organization regulation of biological quality dendritic spine morphogenesis system development developmental process dendritic spine development postsynapse organization dendritic spine organization positive regulation of cell development regulation of postsynapse organization nervous system development positive regulation of cell morphogenesis generation of neurons regulation of dendrite development positive regulation of multicellular organismal process regulation of neuron projection development cellular developmental process regulation of developmental process plasma membrane bounded cell projection morphogenesis cell development regulation of dendritic spine development cell morphogenesis regulation of nervous system development neurogenesis dendrite development positive regulation of neuron projection development positive regulation of cell differentiation positive regulation of neurogenesis regulation of multicellular organismal process regulation of anatomical structure morphogenesis regulation of multicellular organismal development dendrite morphogenesis positive regulation of dendrite morphogenesis cell morphogenesis involved in neuron differentiation anatomical structure morphogenesis regulation of synapse organization cell junction organization neuron development regulation of dendritic spine morphogenesis neuron projection organization animal gross anatomical part developmental process	cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle membraneless organelle nuclear lumen cell periphery cell cortex cytoplasm cytosol Arp2/3 protein complex protein-containing complex cytoskeleton actin cytoskeleton cortical cytoskeleton actin cap cortical actin cytoskeleton podosome core podosome actin-based cell projection site of double-strand break site of DNA damage chromosome postsynapse synapse cell junction

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], M [auth m], N [auth n], O [auth o], P [auth p], Q [auth q], R [auth r]	IPR020902	Actin/actin-like conserved site	Conserved Site
H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], M [auth m], N [auth n], O [auth o], P [auth p], Q [auth q], R [auth r]	IPR004001	Actin, conserved site	Conserved Site
H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], M [auth m], N [auth n], O [auth o], P [auth p], Q [auth q], R [auth r]	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], H [auth h], I [auth i], J [auth j], K [auth k], L [auth l], M [auth m], N [auth n], O [auth o], P [auth p], Q [auth q], R [auth r]	IPR004000	Actin family	Family
G [auth g]	IPR006789	Actin-related protein 2/3 complex subunit 5	Family
G [auth g]	IPR036743	Actin-related protein 2/3 complex subunit 5 superfamily	Homologous Superfamily
F [auth f]	IPR034666	Arp2/3 complex subunit 2/4	Homologous Superfamily
F [auth f]	IPR008384	Actin-related protein 2/3 complex subunit 4	Family
E [auth e]	IPR007204	Actin-related protein 2/3 complex subunit 3	Family
E [auth e]	IPR036753	Actin-related protein 2/3 complex subunit 3 superfamily	Homologous Superfamily
D [auth d]	IPR007188	Actin-related protein 2/3 complex subunit 2	Family
D [auth d]	IPR034666	Arp2/3 complex subunit 2/4	Homologous Superfamily
C [auth c]	IPR017383	Actin-related protein 2/3 complex subunit 1	Family
C [auth c]	IPR001680	WD40 repeat	Repeat
C [auth c]	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
C [auth c]	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
B [auth a]	IPR020902	Actin/actin-like conserved site	Conserved Site
B [auth a]	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
B [auth a]	IPR004000	Actin family	Family
A [auth b]	IPR020902	Actin/actin-like conserved site	Conserved Site
A [auth b]	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
A [auth b]	IPR004000	Actin family	Family

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

7AQK | pdb_00007aqk

Model of the actin filament Arp2/3 complex branch junction in cells

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage