Annotations: 3JBI

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Actin-like ATPases	8040506	3000092	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Actin-like ATPases	8040509	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)
A	Actin_1st	e3jbiA2	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	e3jbiA1	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	e3jbiB1	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	e3jbiB2	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 [auth V]	Vinculin_2nd	e3jbiV1	A: alpha bundles	X: Four-helical up-and-down bundle	H: alpha-catenin-related	T: alpha-catenin/vinculin	F: Vinculin_2nd	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
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 positive regulation of 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
C [auth V]	Vinculin	protein binding binding alpha-catenin binding cytoskeletal protein binding actin binding protein-containing complex binding actin filament binding alpha-actinin binding actinin binding muscle alpha-actinin binding cell adhesion molecule binding cadherin binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding protein binding binding alpha-catenin binding cytoskeletal protein binding actin binding protein-containing complex binding actin filament binding alpha-actinin binding actinin binding muscle alpha-actinin binding cell adhesion molecule binding cadherin binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding enzyme binding vinculin binding dystroglycan binding scaffold protein binding identical protein binding protein homodimerization activity protein dimerization activity structural molecule activity beta-catenin binding	regulation of cellular process regulation of cellular component organization cell-substrate junction assembly cellular component organization cellular component biogenesis cell adhesion cellular component assembly cell junction assembly regulation of cell-substrate junction organization cellular component organization or biogenesis focal adhesion assembly regulation of biological process regulation of cell-substrate adhesion regulation of cell adhesion regulation of cellular process regulation of cellular component organization cell-substrate junction assembly cellular component organization cellular component biogenesis cell adhesion cellular component assembly cell junction assembly regulation of cell-substrate junction organization cellular component organization or biogenesis focal adhesion assembly regulation of biological process regulation of cell-substrate adhesion regulation of cell adhesion biological regulation cell-substrate adhesion regulation of cellular component biogenesis regulation of cell junction assembly cell junction organization cell-matrix adhesion regulation of cell-matrix adhesion cell-substrate junction organization cellular process regulation of focal adhesion assembly regulation of cell-substrate junction assembly cell-cell adhesion epithelial cell-cell adhesion lamellipodium assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly lamellipodium organization cell projection assembly developmental process tissue morphogenesis anatomical structure morphogenesis epithelium development anatomical structure development morphogenesis of an epithelium tissue development apical junction assembly cell-cell junction assembly cell-cell junction organization regulation of cell motility regulation of locomotion regulation of cell migration cell migration cell motility locomotion axon extension multicellular organismal process axonogenesis cellular developmental process developmental growth plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell growth cell morphogenesis neurogenesis multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation system development neuron projection extension developmental cell growth growth nervous system development axon development cell morphogenesis involved in neuron differentiation developmental growth involved in morphogenesis generation of neurons neuron development adherens junction organization adherens junction assembly protein localization localization cellular localization protein localization to cell surface cellular macromolecule localization macromolecule localization regulation of localization regulation of protein localization regulation of protein localization to cell-cell junction regulation of protein localization to adherens junction protein localization to adherens junction protein localization to cell-cell junction regulation of cellular localization protein localization to cell junction regulation of establishment of endothelial barrier regulation of developmental process endothelium development regulation of cell differentiation epithelial cell differentiation regulation of cell development regulation of epithelial cell differentiation endothelial cell development regulation of endothelial cell development regulation of multicellular organismal process regulation of multicellular organismal development endothelial cell differentiation regulation of endothelial cell differentiation epithelial cell development establishment of endothelial barrier	intracellular anatomical structure cellular anatomical entity Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex intracellular anatomical structure cellular anatomical entity Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle cell cortex cortical cytoskeleton actin cytoskeleton cell periphery cytoskeleton cortical actin cytoskeleton terminal web cell-cell junction anchoring junction cell junction sarcolemma plasma membrane membrane costamere cluster of actin-based cell projections brush border adherens junction intercalated disc fascia adherens cell-cell contact zone neuromuscular junction synapse desmosome inner dense plaque of desmosome actin filament bundle actomyosin stress fiber contractile actin filament bundle podosome podosome ring muscle tendon junction cell-substrate junction membrane-bounded organelle mitochondrial membrane organelle inner membrane mitochondrion intracellular membrane-bounded organelle mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane skeletal muscle myofibril focal adhesion outer dense plaque of desmosome apical junction complex zonula adherens protein-containing complex cell projection

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
C [auth V]	IPR017997	Vinculin	Family
C [auth V]	IPR036723	Alpha-catenin/vinculin-like superfamily	Homologous Superfamily
C [auth V]	IPR006077	Vinculin/alpha-catenin	Family
C [auth V]	IPR000633	Vinculin, conserved site	Conserved Site

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.