Annotations: 7JPN

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Actin-like ATPases	8037891	3000092	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Actin-like ATPases	8037889	3000092	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Actin-like ATPases	8037893	3000092	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	WD40 repeat-like	8037895	3001694	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Arp2/3 complex subunits	8037898	3000751	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Arp2/3 complex subunits	8037899	3000751	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Arp2/3 complex 21 kDa subunit ARPC3	8037901	3001830	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Arp2/3 complex subunits	8037903	3000751	SCOP2B (2022-06-29)
G	SCOP2 Family	Arp2/3 complex 16 kDa subunit ARPC5	8106536	4002906	SCOP2 (2022-06-29)
G	SCOP2 Superfamily	Arp2/3 complex 16 kDa subunit ARPC5	8106537	3001882	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)
A	Actin_1st	e7jpnA1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: Actin_1st	ECOD (1.6)
A	Actin_2nd	e7jpnA2	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: Actin_2nd	ECOD (1.6)
B	Actin_1st	e7jpnB2	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: Actin_1st	ECOD (1.6)
B	Actin_2nd	e7jpnB1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: Actin_2nd	ECOD (1.6)
C	ANAPC4_WD40_7	e7jpnC1	A: beta duplicates or obligate multimers	X: beta-propeller-like	H: beta-propeller	T: 7-bladed	F: ANAPC4_WD40_7	ECOD (1.6)
D	P34-Arc_C	e7jpnD1	A: a+b two layers	X: Type III secretory system chaperone-like	H: Arp2/3 complex subunits (From Topology)	T: Arp2/3 complex subunits	F: P34-Arc_C	ECOD (1.6)
D	P34-Arc_N	e7jpnD2	A: a+b two layers	X: Type III secretory system chaperone-like	H: Arp2/3 complex subunits (From Topology)	T: Arp2/3 complex subunits	F: P34-Arc_N	ECOD (1.6)
E	P21-Arc	e7jpnE1	A: alpha bundles	X: Arp2/3 complex 21 kDa subunit ARPC3 (From Topology)	H: Arp2/3 complex 21 kDa subunit ARPC3 (From Topology)	T: Arp2/3 complex 21 kDa subunit ARPC3	F: P21-Arc	ECOD (1.6)
F	ARPC4	e7jpnF1	A: a+b two layers	X: Type III secretory system chaperone-like	H: Arp2/3 complex subunits (From Topology)	T: Arp2/3 complex subunits	F: ARPC4	ECOD (1.6)
G	P16-Arc	e7jpnG1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Arp2/3 complex 16 KDa subunit ARPC5 (From Topology)	T: Arp2/3 complex 16 KDa subunit ARPC5	F: P16-Arc	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00022	Actin (Actin)	Actin	-	Family
B	PF00022	Actin (Actin)	Actin	-	Family
C	PF00400	WD domain, G-beta repeat (WD40)	WD domain, G-beta repeat	-	Repeat
D	PF04045	Arp2/3 complex, 34 kD subunit p34-Arc (P34-Arc)	Arp2/3 complex, 34 kD subunit p34-Arc	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Actin-related protein 3	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cytoskeletal protein binding actin binding protein 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 regulation of cellular process positive regulation of DNA-templated transcription cellular biosynthetic process 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 cellular process positive regulation of DNA-templated transcription cellular biosynthetic process positive regulation of biological process RNA metabolic process positive regulation of cellular 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 positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of biological process positive regulation of nucleobase-containing compound metabolic process cellular metabolic process biological regulation primary metabolic process regulation of cellular 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 regulation of cellular biosynthetic 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 positive regulation of cellular biosynthetic process regulation of cellular component organization positive regulation of cellular component organization cell projection organization plasma membrane bounded cell projection assembly cellular component biogenesis cellular component assembly regulation of lamellipodium assembly regulation of lamellipodium organization positive regulation of cell projection organization lamellipodium assembly plasma membrane bounded cell projection organization 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 cell projection assembly regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly organelle assembly cilium assembly cilium organization	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage chromosome cell projection membrane-bounded organelle nucleus intracellular membrane-bounded organelle
B	Actin-related protein 2	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding cytoskeletal protein binding actin binding protein binding	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 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 positive regulation of nucleobase-containing compound metabolic 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 cellular process macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process 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 positive regulation of DNA-templated transcription cellular biosynthetic process RNA metabolic process positive regulation of cellular 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 cellular metabolic process regulation of cellular metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process regulation of cellular 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 positive regulation of cellular biosynthetic process regulation of cellular component organization positive regulation of cellular component organization cell projection organization plasma membrane bounded cell projection assembly cellular component biogenesis cellular component assembly regulation of lamellipodium assembly regulation of lamellipodium organization positive regulation of cell projection organization lamellipodium assembly plasma membrane bounded cell projection organization 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 cell projection assembly regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly	cell periphery cell cortex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle cell periphery cell cortex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage chromosome cell projection membrane-bounded organelle nucleus intracellular membrane-bounded organelle
C	Actin-related protein 2/3 complex subunit 1B	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	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
D	Actin-related protein 2/3 complex subunit 2	structural constituent of cytoskeleton structural molecule activity cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding	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 anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage chromosome membrane-bounded organelle nucleus intracellular membrane-bounded organelle synapse cell junction cell projection neuron projection plasma membrane bounded cell projection
E	Actin-related protein 2/3 complex subunit 3	cytoskeletal protein binding actin binding protein binding 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 regulation of cytoskeleton organization regulation of cellular process regulation of cellular component organization 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 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	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage chromosome cell projection membrane-bounded organelle nucleus intracellular membrane-bounded organelle
F	Actin-related protein 2/3 complex subunit 4	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding	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 anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton organelle intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle site of double-strand break site of DNA damage chromosome cell projection membrane-bounded organelle nucleus intracellular membrane-bounded organelle
G	Actin-related protein 2/3 complex subunit 5	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 cell migration cell motility regulation of cytoskeleton organization 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 cell migration cell motility 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	intracellular organelle Arp2/3 protein complex protein-containing complex intracellular anatomical structure cytoskeleton organelle intracellular non-membrane-bounded organelle cellular anatomical entity actin cytoskeleton non-membrane-bounded organelle cytoplasm
H	Arpin	-	regulation of cellular component organization regulation of cellular process regulation of developmental process cell projection organization plasma membrane bounded cell projection morphogenesis negative regulation of biological process negative regulation of lamellipodium morphogenesis cell morphogenesis regulation of cell morphogenesis cellular component organization cell projection morphogenesis regulation of lamellipodium organization anatomical structure development negative regulation of cellular process regulation of cellular component organization regulation of cellular process regulation of developmental process cell projection organization plasma membrane bounded cell projection morphogenesis negative regulation of biological process negative regulation of lamellipodium morphogenesis cell morphogenesis regulation of cell morphogenesis cellular component organization cell projection morphogenesis regulation of lamellipodium organization anatomical structure development negative regulation of cellular process regulation of lamellipodium morphogenesis cellular component organization or biogenesis negative regulation of cell projection organization regulation of anatomical structure morphogenesis developmental process regulation of biological process plasma membrane bounded cell projection organization negative regulation of cellular component organization regulation of cell projection organization negative regulation of developmental process biological regulation anatomical structure morphogenesis negative regulation of lamellipodium organization lamellipodium organization lamellipodium morphogenesis cellular process regulation of plasma membrane bounded cell projection organization regulation of cytoskeleton organization regulation of actin filament-based process regulation of actin nucleation actin filament-based process negative regulation of supramolecular fiber organization negative regulation of actin nucleation regulation of actin filament organization actin cytoskeleton organization negative regulation of cytoskeleton organization actin filament organization regulation of organelle organization organelle organization negative regulation of organelle organization regulation of actin cytoskeleton organization regulation of supramolecular fiber organization actin nucleation supramolecular fiber organization cytoskeleton organization negative regulation of locomotion regulation of cell motility regulation of locomotion regulation of cell migration negative regulation of cell motility cell migration cell motility negative regulation of cell migration locomotion directional locomotion	cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR020902	Actin/actin-like conserved site	Conserved Site
A	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
A	IPR004000	Actin family	Family
B	IPR020902	Actin/actin-like conserved site	Conserved Site
B	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
B	IPR004000	Actin family	Family
C	IPR017383	Actin-related protein 2/3 complex subunit 1	Family
C	IPR001680	WD40 repeat	Repeat
C	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
C	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
D	IPR034666	Arp2/3 complex subunit 2/4	Homologous Superfamily
D	IPR007188	Actin-related protein 2/3 complex subunit 2	Family
E	IPR036753	Actin-related protein 2/3 complex subunit 3 superfamily	Homologous Superfamily
E	IPR007204	Actin-related protein 2/3 complex subunit 3	Family
F	IPR034666	Arp2/3 complex subunit 2/4	Homologous Superfamily
F	IPR008384	Actin-related protein 2/3 complex subunit 4	Family
G	IPR036743	Actin-related protein 2/3 complex subunit 5 superfamily	Homologous Superfamily
H	IPR018889	Arpin	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
H	Pharos: Q7Z6K5	gallbladder disease pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia malignant ependymoma psoriasis osteosarcoma tuberculosis

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.