Annotations: 7K21

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d7k21d2	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	Actin/HSP70	automated matches	(Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
D	d7k21d1	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	automated matches	automated matches	(Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
C	d7k21c2	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	Actin/HSP70	automated matches	(Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
C	d7k21c1	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	automated matches	automated matches	(Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
B	d7k21b2	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	Actin/HSP70	automated matches	(Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
B	d7k21b1	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	automated matches	automated matches	(Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
A	d7k21a2	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	Actin/HSP70	automated matches	(Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)
A	d7k21a1	Alpha and beta proteins (a/b)	Ribonuclease H-like motif	Actin-like ATPase domain	automated matches	automated matches	(Gallus gallus ) [TaxId: 9031 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Actin-like ATPases	8043436	3000092	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Actin-like ATPases	8043438	3000092	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Actin-like ATPases	8043438	3000092	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Actin-like ATPases	8043436	3000092	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Actin-like ATPases	8043436	3000092	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Actin-like ATPases	8043438	3000092	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Actin-like ATPases	8043438	3000092	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Actin-like ATPases	8043436	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)
D	ADH_N	e7k21D1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: ADH_N	ECOD (v294.1)
C	ADH_N	e7k21C1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: ADH_N	ECOD (v294.1)
B	ADH_N	e7k21B1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: ADH_N	ECOD (v294.1)
A	ADH_N	e7k21A1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: ADH_N	ECOD (v294.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Actin, alpha skeletal muscle	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 hydrolase activity catalytic activity	cellular developmental process cellular component assembly involved in morphogenesis skeletal myofibril assembly cell development membraneless organelle assembly muscle cell differentiation cellular component organization cellular component biogenesis muscle structure development striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation actin filament-based process cellular developmental process cellular component assembly involved in morphogenesis skeletal myofibril assembly cell development membraneless organelle assembly muscle cell differentiation cellular component organization cellular component biogenesis muscle structure development striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation actin filament-based process anatomical structure development cellular component organization or biogenesis developmental process skeletal muscle thin filament assembly actin cytoskeleton organization actomyosin structure organization organelle assembly actin filament organization anatomical structure morphogenesis organelle organization myofibril assembly anatomical structure formation involved in morphogenesis cellular process striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization myotube cell development skeletal muscle fiber development skeletal muscle tissue development animal organ development tissue development myotube differentiation striated muscle tissue development skeletal muscle organ development muscle tissue development muscle organ development	polymeric cytoskeletal fiber intracellular anatomical structure actin filament intracellular membraneless organelle actin cytoskeleton intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle supramolecular fiber supramolecular polymer supramolecular complex striated muscle thin filament polymeric cytoskeletal fiber intracellular anatomical structure actin filament intracellular membraneless organelle actin cytoskeleton intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle supramolecular fiber supramolecular polymer supramolecular complex striated muscle thin filament myofilament sarcomere contractile muscle fiber cytoplasm myofibril actin filament bundle actomyosin stress fiber contractile actin filament bundle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR020902	Actin/actin-like conserved site	Conserved Site
A, B, C, D	IPR004001	Actin, conserved site	Conserved Site
A, B, C, D	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
A, B, C, D	IPR004000	Actin family	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C, D	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.