Annotations: 3M3N

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C [auth W]	SCOP2 Family	WH2 motif	8050000	4006720	SCOP2 (2022-06-29)
C [auth W]	SCOP2 Family	WH2 motif	8052980	4006720	SCOP2 (2022-06-29)
C [auth W]	SCOP2 Superfamily	WH2 motif-like	8052981	3002153	SCOP2 (2022-06-29)
C [auth W]	SCOP2 Superfamily	WH2 motif-like	8052982	3002153	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Actin-like ATPases	8040509	3000092	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Actin-like ATPases	8040506	3000092	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Actin-like ATPases	8040506	3000092	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Actin-like ATPases	8040509	3000092	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth W]	PF02205	e3m3nW2	A: extended segments	X: Wiskott-Aldrich syndrome protein family member 1 (From Topology)	H: Wiskott-Aldrich syndrome protein family member 1 (From Topology)	T: Wiskott-Aldrich syndrome protein family member 1	F: PF02205	ECOD (1.6)
A	PF00022	e3m3nA3	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: PF00022	ECOD (1.6)
B	PF00022	e3m3nB1	A: mixed a+b and a/b	X: Ribonuclease H-like	H: Ribonuclease H-like (From Topology)	T: Ribonuclease H-like	F: PF00022	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00022	Actin (Actin)	Actin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth W]	Neural Wiskott-Aldrich syndrome protein	cytoskeletal protein binding protein binding binding actin binding identical protein binding molecular sequestering activity protein sequestering activity enzyme binding actin monomer binding	membrane organization cellular component organization membrane invagination cellular process cellular component organization or biogenesis postsynapse organization actin cytoskeleton organization postsynaptic cytoskeleton organization organelle organization cell junction organization postsynaptic actin cytoskeleton organization actin filament-based process synapse organization cytoskeleton organization membrane organization cellular component organization membrane invagination cellular process cellular component organization or biogenesis postsynapse organization actin cytoskeleton organization postsynaptic cytoskeleton organization organelle organization cell junction organization postsynaptic actin cytoskeleton organization actin filament-based process synapse organization cytoskeleton organization cell division plasma membrane tubulation regulation of biological process regulation of cellular component organization regulation of cellular process negative regulation of cellular component organization biological regulation negative regulation of biological process negative regulation of membrane tubulation regulation of plasma membrane organization plasma membrane organization negative regulation of cellular process endomembrane system organization regulation of membrane tubulation actin filament organization actin nucleation supramolecular fiber organization chemotaxis positive regulation of locomotion response to stimulus regulation of response to external stimulus positive regulation of biological process response to external stimulus regulation of chemotaxis positive regulation of chemotaxis positive regulation of response to stimulus positive regulation of response to external stimulus taxis regulation of response to stimulus response to chemical regulation of locomotion locomotion protein polymerization actin polymerization or depolymerization actin filament polymerization protein-containing complex organization cellular component biogenesis cellular component assembly protein-containing complex assembly localization protein-containing complex localization negative regulation of mononuclear cell migration negative regulation of locomotion regulation of cell motility regulation of lymphocyte migration regulation of cell migration cell migration regulation of immune system process negative regulation of lymphocyte migration cell motility regulation of mononuclear cell migration negative regulation of cell migration regulation of leukocyte migration lymphocyte migration leukocyte migration negative regulation of leukocyte migration negative regulation of immune system process immune system process mononuclear cell migration negative regulation of cell motility vesicle budding from membrane transport establishment of localization vesicle-mediated transport vesicle organization cell projection organization regulation of cell projection assembly regulation of cell projection organization regulation of cellular component biogenesis cell projection assembly protein localization regulation of localization cellular localization regulation of protein localization regulation of cellular localization cellular macromolecule localization macromolecule localization biological process involved in interspecies interaction between organisms response to other organism response to bacterium response to external biotic stimulus response to biotic stimulus multicellular organismal process cellular developmental process plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis neurogenesis multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis dendrite development cell differentiation anatomical structure development dendritic spine morphogenesis system development developmental process dendritic spine development plasma membrane bounded cell projection organization dendritic spine organization dendrite morphogenesis nervous system development cell morphogenesis involved in neuron differentiation generation of neurons anatomical structure morphogenesis neuron development neuron projection organization filopodium assembly positive regulation of cellular component organization regulation of filopodium assembly plasma membrane bounded cell projection assembly positive regulation of cell projection organization positive regulation of filopodium assembly positive regulation of cellular process positive regulation of cellular component biogenesis regulation of plasma membrane bounded cell projection assembly regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly vesicle transport along actin filament vesicle cytoskeletal trafficking vesicle localization establishment of organelle localization establishment of vesicle localization intracellular transport actin filament-based movement organelle localization establishment of localization in cell cytoskeleton-dependent intracellular transport actin filament-based transport positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II organic substance biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process cellular metabolic process primary metabolic process regulation of cellular metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process positive regulation of DNA-templated transcription cellular biosynthetic process RNA metabolic process positive regulation of cellular metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process positive regulation of biosynthetic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process regulation of postsynapse organization regulation of synapse organization regulation of synapse structure or activity regulation of biological quality import into cell positive regulation of endocytosis clathrin-dependent endocytosis positive regulation of receptor-mediated endocytosis regulation of endocytosis regulation of transport regulation of receptor-mediated endocytosis regulation of vesicle-mediated transport positive regulation of transport positive regulation of clathrin-dependent endocytosis receptor-mediated endocytosis endocytosis regulation of clathrin-dependent endocytosis spindle localization cell cycle cell cycle process regulation of cellular component size negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization regulation of organelle organization maintenance of location negative regulation of protein-containing complex assembly regulation of protein polymerization regulation of supramolecular fiber organization maintenance of protein location regulation of cytoskeleton organization regulation of actin filament-based process maintenance of location in cell regulation of protein-containing complex assembly maintenance of protein location in cell negative regulation of protein polymerization regulation of actin filament polymerization regulation of actin filament organization negative regulation of cytoskeleton organization regulation of actin polymerization or depolymerization sequestering of actin monomers negative regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization regulation of anatomical structure size smooth muscle cell differentiation regulation of developmental process positive regulation of smooth muscle cell differentiation regulation of smooth muscle cell differentiation regulation of cell differentiation muscle cell differentiation positive regulation of muscle cell differentiation muscle structure development positive regulation of developmental process regulation of muscle cell differentiation positive regulation of cell differentiation 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 positive regulation of cell motility	cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium intracellular anatomical structure cytoplasm cytosol cell cortex cortical cytoskeleton actin cytoskeleton intracellular organelle cell periphery actin cap cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium intracellular anatomical structure cytoplasm cytosol cell cortex cortical cytoskeleton actin cytoskeleton intracellular organelle cell periphery actin cap cytoskeleton organelle intracellular non-membrane-bounded organelle cortical actin cytoskeleton non-membrane-bounded organelle synapse cell junction glutamatergic synapse membrane-bounded organelle cytoplasmic vesicle intracellular vesicle intracellular membrane-bounded organelle vesicle Golgi membrane Golgi apparatus membrane endomembrane system bounding membrane of organelle organelle membrane postsynapse nucleus
A, B	Actin, alpha skeletal muscle	cytoskeletal protein binding titin binding protein binding binding cation binding ion binding calcium ion binding metal ion binding small molecule binding protein domain specific binding hydrolase activity catalytic activity troponin I binding cytoskeletal motor activator activity cytoskeletal protein binding titin binding protein binding binding cation binding ion binding calcium ion binding metal ion binding small molecule binding protein domain specific binding hydrolase activity catalytic activity troponin I binding cytoskeletal motor activator activity cytoskeletal motor regulator activity molecular function activator activity molecular function regulator activity magnesium ion binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding myosin heavy chain binding myosin binding tropomyosin binding calcium-dependent protein binding identical protein binding actin monomer binding actin binding	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 myotube cell development skeletal muscle fiber 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 myotube cell development skeletal muscle fiber development cellular developmental process skeletal muscle tissue development cell development muscle cell differentiation myotube differentiation muscle structure development skeletal muscle organ development muscle cell development cell differentiation cellular process muscle tissue development muscle organ development striated muscle cell differentiation regulation of cellular process cellular biosynthetic process positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process regulation of biological process cellular metabolic process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process cellular component assembly involved in morphogenesis non-membrane-bounded organelle assembly skeletal myofibril assembly cellular component organization cellular component biogenesis striated muscle cell development 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 protein polymerization actin polymerization or depolymerization actin filament polymerization protein-containing complex organization protein-containing complex assembly actin filament bundle organization actin filament bundle assembly	intracellular anatomical structure skeletal muscle myofibril cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle cell projection intracellular anatomical structure skeletal muscle myofibril cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle cell projection cell leading edge plasma membrane bounded cell projection lamellipodium cytoskeleton actin filament bundle actin cytoskeleton actomyosin stress fiber contractile actin filament bundle polymeric cytoskeletal fiber actin filament protein-containing complex filamentous actin cell body striated muscle thin filament myofilament sarcomere actin-based cell projection filopodium

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth W]	IPR000095	CRIB domain	Domain
C [auth W]	IPR000697	WH1/EVH1 domain	Domain
C [auth W]	IPR036936	CRIB domain superfamily	Homologous Superfamily
C [auth W]	IPR011993	PH-like domain superfamily	Homologous Superfamily
C [auth W]	IPR003124	WH2 domain	Domain
C [auth W]	IPR011026	Actin nucleation-promoting factor WAS, C-terminal	Homologous Superfamily
C [auth W]	IPR033927	WASP family, EVH1 domain	Domain
C [auth W]	IPR001152	Beta-thymosin	Family
C [auth W]	IPR038386	Beta-thymosin superfamily	Homologous Superfamily
A, B	IPR020902	Actin/actin-like conserved site	Conserved Site
A, B	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
A, B	IPR004001	Actin, conserved site	Conserved Site
A, B	IPR004000	Actin family	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	HIC	Parent Component: HIS RESID: AA0317 PSI-MOD : 1'-methyl-L-histidine MOD:00322

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 R01GM133198.