Annotations: 6YW7

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Actin-like ATPases	8094242	3000092	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Actin-like ATPases	8094241	3000092	SCOP2B (2022-06-29)
C [auth E]	SCOP2B Superfamily	Arp2/3 complex 21 kDa subunit ARPC3	8093592	3001830	SCOP2B (2022-06-29)
E [auth F]	SCOP2B Superfamily	Arp2/3 complex subunits	8093618	3000751	SCOP2B (2022-06-29)
F [auth G]	SCOP2B Superfamily	Arp2/3 complex 16 kDa subunit ARPC5	8093722	3001882	SCOP2B (2022-06-29)
G [auth C]	SCOP2 Family	WD40-repeat	8100349	4002744	SCOP2 (2022-06-29)
G [auth C]	SCOP2 Superfamily	WD40 repeat-like	8100350	3001694	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	Pro_isomerase	e6yw7A1	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: Pro_isomerase	ECOD (v294.1)
B [auth D]	Pro_isomerase	e6yw7D1	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: Pro_isomerase	ECOD (v294.1)
C [auth E]	Pro_isomerase	e6yw7E1	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: Pro_isomerase	ECOD (v294.1)
D [auth B]	CSD	e6yw7B1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: CSD	ECOD (v294.1)
E [auth F]	Pro_isomerase	e6yw7F1	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: Pro_isomerase	ECOD (v294.1)
F [auth G]	CSD	e6yw7G1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: CSD	ECOD (v294.1)
G [auth C]	CSD	e6yw7C1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	T: Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases	F: CSD	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00022	Actin (Actin)	Actin	-	Family
B [auth D]	PF04045	Arp2/3 complex, 34 kD subunit p34-Arc (P34-Arc)	Arp2/3 complex, 34 kD subunit p34-Arc	-	Family
F [auth G]	PF04699	ARP2/3 complex 16 kDa subunit (p16-Arc) (P16-Arc)	ARP2/3 complex 16 kDa subunit (p16-Arc)	The Arp2/3 protein complex has been implicated in the control of actin polymerisation. The human complex consists of seven subunits which include the actin related proteins Arp2 and Arp3, and five others referred to as p41-Arc, p34-Arc, p21-Arc, p20 ...	The Arp2/3 protein complex has been implicated in the control of actin polymerisation. The human complex consists of seven subunits which include the actin related proteins Arp2 and Arp3, and five others referred to as p41-Arc, p34-Arc, p21-Arc, p20-Arc, and p16-Arc. The precise function of p16-Arc is currently unknown. Its structure consists of a single domain containing a bundle of seven alpha helices [1,2].	Domain
G [auth C]	PF00400	WD domain, G-beta repeat (WD40)	WD domain, G-beta repeat	-	Repeat

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 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 cytoskeletal protein binding actin binding protein binding structural constituent of cytoskeleton structural molecule activity	cellular process actin polymerization-dependent cell motility cell motility meiotic chromosome segregation sexual reproduction reproductive process meiotic cell cycle process cellular component organization localization meiotic chromosome movement towards spindle pole chromosome localization organelle localization meiotic nuclear division cell cycle cellular process actin polymerization-dependent cell motility cell motility meiotic chromosome segregation sexual reproduction reproductive process meiotic cell cycle process cellular component organization localization meiotic chromosome movement towards spindle pole chromosome localization organelle localization meiotic nuclear division cell cycle cellular component organization or biogenesis chromosome segregation chromosome movement towards spindle pole cell cycle process meiotic cell cycle organelle fission nuclear division organelle organization nuclear chromosome segregation microtubule-based movement microtubule-based process cell division asymmetric cell division organelle assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component biogenesis cellular component assembly cilium assembly cilium organization cell projection assembly actin cytoskeleton organization actin filament organization Arp2/3 complex-mediated actin nucleation actin filament-based process actin nucleation supramolecular fiber organization cytoskeleton organization biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response response to type II interferon response to cytokine defense response to symbiont response to external stimulus cellular response to type II interferon response to biotic stimulus response to peptide response to chemical immune system process defense response to other organism response to stress innate immune response cellular response to cytokine stimulus response to external biotic stimulus establishment or maintenance of cell polarity cytoskeleton-dependent cytokinesis cytokinesis meiotic cytokinesis regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process 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 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 biological regulation primary 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 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 regulation of cellular component organization positive regulation of cellular component organization regulation of lamellipodium assembly regulation of lamellipodium organization positive regulation of cell projection organization lamellipodium assembly 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 regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly spindle localization	cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium membrane cell-cell junction extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium membrane cell-cell junction extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol Arp2/3 protein complex protein-containing complex apical part of cell cluster of actin-based cell projections brush border site of double-strand break site of DNA damage chromosome nucleus intracellular membrane-bounded organelle
B [auth D]	Actin-related protein 2/3 complex subunit 2	cytoskeletal protein binding actin binding protein binding binding structural constituent of cytoskeleton structural molecule activity	cellular process actin polymerization-dependent cell motility cell motility 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 cellular process actin polymerization-dependent cell motility cell motility 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 component organization or biogenesis supramolecular fiber organization cytoskeleton organization positive regulation of substrate adhesion-dependent cell spreading regulation of biological process regulation of cellular process regulation of cell-substrate adhesion positive regulation of cell adhesion regulation of substrate adhesion-dependent cell spreading regulation of cell adhesion biological regulation positive regulation of biological process cell-substrate adhesion cell adhesion positive regulation of cell-substrate adhesion substrate adhesion-dependent cell spreading positive regulation of cellular process Arp2/3 complex-mediated actin nucleation actin nucleation positive regulation of organelle organization regulation of cytoskeleton organization regulation of cellular component organization regulation of actin filament-based process positive regulation of cellular component organization regulation of cellular component size regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly positive regulation of protein polymerization regulation of actin filament polymerization regulation of biological quality regulation of actin filament organization positive regulation of cellular component biogenesis positive regulation of cytoskeleton organization regulation of actin polymerization or depolymerization regulation of cellular component biogenesis positive regulation of supramolecular fiber organization regulation of organelle organization regulation of protein polymerization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization positive regulation of actin filament polymerization regulation of anatomical structure size cell projection organization plasma membrane bounded cell projection assembly regulation of lamellipodium assembly regulation of lamellipodium organization positive regulation of cell projection organization lamellipodium assembly plasma membrane bounded cell projection organization regulation of cell projection organization regulation of cell projection assembly positive regulation of lamellipodium assembly 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	cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol Arp2/3 protein complex protein-containing complex cell periphery muscle cell projection muscle cell projection membrane membrane plasma membrane plasma membrane region cell projection membrane nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen synapse glutamatergic synapse neuron projection endosome intracellular vesicle endomembrane system cytoplasmic vesicle transport vesicle membrane presynapse bounding membrane of organelle vesicle membrane synaptic vesicle synaptic vesicle membrane transport vesicle exocytic vesicle membrane cytoplasmic vesicle membrane secretory vesicle organelle membrane exocytic vesicle site of double-strand break site of DNA damage chromosome postsynapse
C [auth E]	Actin-related protein 2/3 complex subunit 3	cytoskeletal protein binding actin binding protein binding binding structural constituent of cytoskeleton structural molecule activity	cellular process actin polymerization-dependent cell motility cell motility 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 regulation of localization cellular process actin polymerization-dependent cell motility cell motility 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 regulation of localization import into cell cellular localization regulation of cellular process regulation of cellular component organization transport synaptic vesicle cycle regulation of synaptic vesicle recycling vesicle-mediated transport presynaptic endocytosis vesicle-mediated transport in synapse localization synaptic vesicle recycling regulation of synaptic vesicle endocytosis establishment of localization in cell regulation of endocytosis synaptic vesicle endocytosis regulation of biological process regulation of transport biological regulation regulation of vesicle-mediated transport establishment of localization endocytosis cellular response to endogenous stimulus cellular response to growth factor stimulus response to stimulus response to endogenous stimulus cellular response to nerve growth factor stimulus response to nerve growth factor response to growth factor regulation of cytoskeleton 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 actin filament organization actin filament polymerization protein-containing complex organization 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	cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton axon neuron projection growth cone leading edge peripheral region of growth cone growth cone distal axon site of polarized growth cytoplasm cytosol Arp2/3 protein complex protein-containing complex polymeric cytoskeletal fiber actin filament filamentous actin supramolecular fiber supramolecular polymer supramolecular complex site of double-strand break site of DNA damage chromosome nucleus intracellular membrane-bounded organelle
D [auth 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 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 cytoskeletal protein binding actin binding protein binding structural constituent of cytoskeleton structural molecule activity	meiotic chromosome segregation sexual reproduction reproductive process meiotic cell cycle process cellular component organization localization meiotic chromosome movement towards spindle pole chromosome localization organelle localization meiotic nuclear division cell cycle cellular component organization or biogenesis chromosome segregation chromosome movement towards spindle pole meiotic chromosome segregation sexual reproduction reproductive process meiotic cell cycle process cellular component organization localization meiotic chromosome movement towards spindle pole chromosome localization organelle localization meiotic nuclear division cell cycle cellular component organization or biogenesis chromosome segregation chromosome movement towards spindle pole cell cycle process meiotic cell cycle organelle fission nuclear division organelle organization nuclear chromosome segregation cellular process microtubule-based movement microtubule-based process cell division asymmetric cell division organelle assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component biogenesis cellular component assembly cilium assembly cilium organization cell projection assembly 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 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 macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process actin cytoskeleton organization actin filament organization Arp2/3 complex-mediated actin nucleation actin filament-based process actin nucleation supramolecular fiber organization cytoskeleton organization biological process involved in interspecies interaction between organisms immune response response to other organism defense response response to type II interferon response to cytokine defense response to symbiont response to external stimulus cellular response to type II interferon response to biotic stimulus response to peptide response to chemical immune system process defense response to other organism innate immune response cellular response to cytokine stimulus response to external biotic stimulus establishment or maintenance of cell polarity cellular localization transport cytosolic transport establishment of localization in cell intracellular transport establishment of localization cytoskeleton-dependent cytokinesis cytokinesis meiotic cytokinesis positive regulation of DNA-templated transcription RNA 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 positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule 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 regulation of cellular component organization positive regulation of cellular component organization regulation of lamellipodium assembly regulation of lamellipodium organization positive regulation of cell projection organization lamellipodium assembly 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 regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly spindle localization	cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction membrane cell periphery cell cortex intracellular anatomical structure cytoplasm extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction membrane cell periphery cell cortex intracellular anatomical structure cytoplasm extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular organelle cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton cytosol Arp2/3 protein complex protein-containing complex cortical cytoskeleton actin cap cortical actin cytoskeleton lytic vacuole intracellular vesicle membrane-enclosed lumen cytoplasmic vesicle lumen vacuolar lumen endomembrane system intracellular organelle lumen cytoplasmic vesicle lysosome vesicle lumen azurophil granule vacuole intracellular membrane-bounded organelle secretory granule lumen azurophil granule lumen organelle lumen secretory granule primary lysosome secretory vesicle ficolin-1-rich granule ficolin-1-rich granule lumen site of double-strand break site of DNA damage chromosome cell projection nucleus
E [auth F]	Actin-related protein 2/3 complex subunit 4	cytoskeletal protein binding actin binding protein binding binding structural constituent of cytoskeleton structural molecule activity enzyme 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 protein polymerization actin polymerization or depolymerization actin filament polymerization 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 protein polymerization actin polymerization or depolymerization actin filament polymerization protein-containing complex organization cellular component biogenesis cellular component assembly protein-containing complex assembly	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol intracellular organelle Arp2/3 protein complex extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol intracellular organelle Arp2/3 protein complex protein-containing complex cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton site of double-strand break site of DNA damage chromosome cell projection nucleus intracellular membrane-bounded organelle
F [auth G]	Actin-related protein 2/3 complex subunit 5	cytoskeletal protein binding actin binding protein binding binding structural constituent of cytoskeleton structural molecule activity protein-macromolecule adaptor activity molecular adaptor activity	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	cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium extracellular region extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle vesicle extracellular membrane-bounded organelle vesicle lumen intracellular anatomical structure intracellular vesicle membrane-enclosed lumen cytoplasmic vesicle lumen secretory granule lumen intracellular membrane-bounded organelle endomembrane system intracellular organelle lumen intracellular organelle cytoplasmic vesicle organelle lumen secretory granule secretory vesicle cytoplasm cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton cytosol Arp2/3 protein complex protein-containing complex site of double-strand break site of DNA damage chromosome ficolin-1-rich granule ficolin-1-rich granule lumen cell cortex cortical cytoskeleton cell periphery nucleus
G [auth C]	Actin-related protein 2/3 complex subunit 1A	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	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoskeleton membraneless organelle intracellular membraneless organelle extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol Arp2/3 protein complex protein-containing complex cell periphery cell projection muscle cell projection muscle cell projection membrane membrane plasma membrane plasma membrane region cell projection membrane plasma membrane bounded cell projection site of double-strand break site of DNA damage chromosome synapse cell junction glutamatergic synapse nucleus intracellular membrane-bounded organelle

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 [auth D]	IPR034666	Arp2/3 complex subunit 2/4	Homologous Superfamily
B [auth D]	IPR007188	Actin-related protein 2/3 complex subunit 2	Family
C [auth E]	IPR007204	Actin-related protein 2/3 complex subunit 3	Family
C [auth E]	IPR036753	Actin-related protein 2/3 complex subunit 3 superfamily	Homologous Superfamily
D [auth B]	IPR020902	Actin/actin-like conserved site	Conserved Site
D [auth B]	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
D [auth B]	IPR004000	Actin family	Family
E [auth F]	IPR034666	Arp2/3 complex subunit 2/4	Homologous Superfamily
E [auth F]	IPR008384	Actin-related protein 2/3 complex subunit 4	Family
F [auth G]	IPR006789	Actin-related protein 2/3 complex subunit 5	Family
F [auth G]	IPR036743	Actin-related protein 2/3 complex subunit 5 superfamily	Homologous Superfamily
G [auth C]	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
G [auth C]	IPR017383	Actin-related protein 2/3 complex subunit 1	Family
G [auth C]	IPR001680	WD40 repeat	Repeat
G [auth C]	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P61158	pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Sjogren syndrome adenoma dermatomyositis Emery-Dreifuss muscular dystrophy invasive ductal breast carcinoma lung cancer malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma plasma cell myeloma tuberculosis amyotrophic lateral sclerosis drug-induced liver injury pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Sjogren syndrome adenoma dermatomyositis Emery-Dreifuss muscular dystrophy invasive ductal breast carcinoma lung cancer malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic intraductal papillary-mucinous carcinoma plasma cell myeloma tuberculosis amyotrophic lateral sclerosis drug-induced liver injury glioblastoma juvenile dermatomyositis lymphoplasmacytic lymphoma Metastatic malignant melanoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm psoriasis breast cancer Duchenne muscular dystrophy hereditary spastic paraplegia large cell medulloblastoma malignant ependymoma myopathy
B [auth D]	Pharos: O15144	ulcerative colitis colorectal adenoma gallbladder disease lymphoplasmacytic lymphoma pancreatic ductal adenocarcinoma plasma cell myeloma colorectal cancer inflammatory bowel disease malignant pancreatic neoplasm pancreatic intraductal papillary-mucinous neoplasm Crohn disease lung cancer ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia
C [auth E]	Pharos: O15145	bipolar disorder osteosarcoma breast carcinoma ovarian cancer diabetes mellitus
D [auth B]	Pharos: P61160	lung adenocarcinoma pancreatic ductal adenocarcinoma Parkinson disease psoriasis Sjogren syndrome Alzheimer disease breast carcinoma exocrine pancreatic carcinoma IgA glomerulonephritis lymphoplasmacytic lymphoma medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma Pick disease rheumatoid arthritis lung adenocarcinoma pancreatic ductal adenocarcinoma Parkinson disease psoriasis Sjogren syndrome Alzheimer disease breast carcinoma exocrine pancreatic carcinoma IgA glomerulonephritis lymphoplasmacytic lymphoma medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous carcinoma Pick disease rheumatoid arthritis spondyloarthropathy astrocytic tumor dermatomyositis heart disease juvenile dermatomyositis malignant ependymoma myopathy ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia progressive supranuclear palsy schizophrenia systemic lupus erythematosus breast cancer ductal breast carcinoma in situ hereditary spastic paraplegia malignant pancreatic neoplasm oligodendroglioma
E [auth F]	Pharos: P59998	atypical teratoid rhabdoid tumor psoriasis large cell medulloblastoma osteosarcoma
F [auth G]	Pharos: O15511	rheumatoid arthritis breast cancer Duchenne muscular dystrophy glioblastoma myositis pancreatic ductal adenocarcinoma systemic sclerosis celiac disease gastric cancer juvenile dermatomyositis osteosarcoma pancreatic intraductal papillary-mucinous carcinoma Sjogren syndrome cystic fibrosis gastric carcinoma rheumatoid arthritis breast cancer Duchenne muscular dystrophy glioblastoma myositis pancreatic ductal adenocarcinoma systemic sclerosis celiac disease gastric cancer juvenile dermatomyositis osteosarcoma pancreatic intraductal papillary-mucinous carcinoma Sjogren syndrome cystic fibrosis gastric carcinoma lymphoplasmacytic lymphoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia systemic lupus erythematosus
G [auth C]	Pharos: Q92747	ovarian cancer plasma cell myeloma Sjogren syndrome

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.