3M3N | pdb_00003m3n

Structure of a Longitudinal Actin Dimer Assembled by Tandem W Domains

External Resource: Annotation

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

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)
B	SCOP2B Superfamily	Actin-like ATPases	8040509	3000092	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Actin-like ATPases	8040506	3000092	SCOP2B (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)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth W]	UNK_F_TYPE	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: UNK_F_TYPE	ECOD (1.6)
B	Actin_1st	e3m3nB1	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	e3m3nB2	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)
A	Actin_1st	e3m3nA3	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	e3m3nA4	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth W]	PF02205	WH2 motif (WH2)	WH2 motif	-	Motif

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 actin monomer binding actin binding protein binding binding	developmental process smooth muscle cell differentiation regulation of biological process regulation of cellular process cellular developmental process regulation of developmental process positive regulation of smooth muscle cell differentiation regulation of smooth muscle cell differentiation biological regulation positive regulation of biological process regulation of cell differentiation muscle cell differentiation positive regulation of muscle cell differentiation muscle structure development positive regulation of developmental process developmental process smooth muscle cell differentiation regulation of biological process regulation of cellular process cellular developmental process regulation of developmental process positive regulation of smooth muscle cell differentiation regulation of smooth muscle cell differentiation biological regulation positive regulation of biological process 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 cell differentiation anatomical structure development cellular process positive regulation of cellular process cellular component organization organelle organization actin cytoskeleton organization actin filament organization actin filament-based process cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization 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 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 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 positive regulation of nucleobase-containing compound metabolic process primary metabolic process regulation of macromolecule metabolic process 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 cell division plasma membrane tubulation membrane organization regulation of cellular component organization negative regulation of cellular component organization 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 nucleation protein polymerization actin polymerization or depolymerization actin filament polymerization protein-containing complex organization cellular component biogenesis cellular component assembly protein-containing complex assembly localization macromolecule localization protein-containing complex localization negative regulation of mononuclear cell migration negative regulation of locomotion regulation of lymphocyte migration regulation of immune system process negative regulation of lymphocyte migration 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 regulation of localization regulation of protein localization intracellular protein localization biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus multicellular organismal process cell projection organization 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 dendritic spine morphogenesis synapse organization system development dendritic spine development plasma membrane bounded cell projection organization dendritic spine organization postsynapse organization dendrite morphogenesis nervous system development cell morphogenesis involved in neuron differentiation generation of neurons anatomical structure morphogenesis cell junction organization 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 component biogenesis 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 vesicle transport along actin filament vesicle cytoskeletal trafficking vesicle localization establishment of organelle localization cellular 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 transcription by RNA polymerase II regulation of transcription by RNA polymerase II positive regulation of transcription by RNA polymerase II 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	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle cytoskeleton organelle membraneless organelle intracellular membraneless organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle cell projection cell leading edge cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle cytoskeleton organelle membraneless organelle intracellular membraneless organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle cell projection cell leading edge plasma membrane bounded cell projection lamellipodium cell cortex cortical cytoskeleton actin cytoskeleton cell periphery actin cap cortical actin cytoskeleton synapse cell junction glutamatergic synapse cytoplasmic vesicle intracellular vesicle vesicle
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 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 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 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 intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex cell projection intracellular anatomical structure skeletal muscle myofibril intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex 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]	IPR038386	Beta-thymosin superfamily	Homologous Superfamily
C [auth W]	IPR001152	Beta-thymosin	Family
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
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 R01GM157729.