Annotations: 7DS3

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8032214	3001499	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8032215	3001499	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	F-actin_cap_A_1st	e7ds3A1	A: alpha bundles	X: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz (From Topology)	H: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz (From Topology)	T: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz	F: F-actin_cap_A_1st	ECOD (1.6)
A	F-actin_cap_A_3rd	e7ds3A3	A: a+b two layers	X: a+b domain in Capz (From Topology)	H: a+b domain in Capz (From Topology)	T: a+b domain in Capz	F: F-actin_cap_A_3rd	ECOD (1.6)
A	F-actin_cap_A_2nd	e7ds3A2	A: few secondary structure elements	X: beta-barrel domain in Capz (From Topology)	H: beta-barrel domain in Capz (From Topology)	T: beta-barrel domain in Capz	F: F-actin_cap_A_2nd	ECOD (1.6)
B	F_actin_cap_B_1st	e7ds3B2	A: alpha bundles	X: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz (From Topology)	H: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz (From Topology)	T: alpha-helical domain in subunits of heterodimeric actin filament capping protein Capz	F: F_actin_cap_B_1st	ECOD (1.6)
B	F_actin_cap_B_3rd	e7ds3B3	A: a+b two layers	X: a+b domain in Capz (From Topology)	H: a+b domain in Capz (From Topology)	T: a+b domain in Capz	F: F_actin_cap_B_3rd	ECOD (1.6)
B	F_actin_cap_B_2nd	e7ds3B1	A: few secondary structure elements	X: beta-barrel domain in Capz (From Topology)	H: beta-barrel domain in Capz (From Topology)	T: beta-barrel domain in Capz	F: F_actin_cap_B_2nd	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01267	F-actin capping protein alpha subunit (F-actin_cap_A)	F-actin capping protein alpha subunit	-	Family
B	PF01115	F-actin capping protein, beta subunit (F_actin_cap_B)	F-actin capping protein, beta subunit	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	F-actin-capping protein subunit alpha-1	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding	cellular component organization cellular component biogenesis cell junction organization cellular component assembly cell junction assembly cellular process cellular component organization or biogenesis regulation of cellular process regulation of cellular component size negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization cellular component organization cellular component biogenesis cell junction organization cellular component assembly cell junction assembly cellular process cellular component organization or biogenesis regulation of cellular process regulation of cellular component size negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization actin filament capping actin filament-based process negative regulation of supramolecular fiber organization regulation of biological quality negative regulation of actin filament polymerization cellular component disassembly regulation of biological process barbed-end actin filament capping negative regulation of cellular component organization actin filament organization regulation of organelle organization negative regulation of protein depolymerization negative regulation of protein-containing complex assembly regulation of protein polymerization regulation of supramolecular fiber organization supramolecular fiber organization regulation of cytoskeleton organization regulation of cellular component organization regulation of actin filament-based process regulation of protein-containing complex assembly negative regulation of protein-containing complex disassembly negative regulation of cellular process protein-containing complex assembly negative regulation of protein polymerization regulation of actin filament polymerization actin polymerization or depolymerization protein polymerization regulation of actin filament organization actin cytoskeleton organization actin filament polymerization protein-containing complex organization regulation of protein depolymerization negative regulation of cytoskeleton organization biological regulation regulation of actin polymerization or depolymerization regulation of cellular component biogenesis organelle organization negative regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization negative regulation of actin filament depolymerization protein depolymerization cytoskeleton organization regulation of anatomical structure size	protein-containing complex intracellular anatomical structure WASH complex cytoplasm cellular anatomical entity Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber supramolecular fiber myofibril protein-containing complex intracellular anatomical structure WASH complex cytoplasm cellular anatomical entity Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle cytoskeleton F-actin capping protein complex actin cytoskeleton cytosol cell periphery plasma membrane membrane
B	F-actin-capping protein subunit beta isoforms 1	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding	lamellipodium assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component organization cellular component biogenesis cellular component assembly lamellipodium organization cellular process cellular component organization or biogenesis cell projection assembly developmental process anatomical structure morphogenesis regulation of biological process lamellipodium assembly plasma membrane bounded cell projection organization cell projection organization plasma membrane bounded cell projection assembly cellular component organization cellular component biogenesis cellular component assembly lamellipodium organization cellular process cellular component organization or biogenesis cell projection assembly developmental process anatomical structure morphogenesis regulation of biological process regulation of developmental process anatomical structure development biological regulation cell morphogenesis regulation of cell morphogenesis regulation of anatomical structure morphogenesis filopodium assembly regulation of cellular component organization regulation of cellular process negative regulation of filopodium assembly negative regulation of biological process regulation of filopodium assembly negative regulation of plasma membrane bounded cell projection assembly negative regulation of cellular process negative regulation of cell projection organization negative regulation of cellular component organization regulation of cell projection organization regulation of cell projection assembly regulation of cellular component biogenesis regulation of plasma membrane bounded cell projection assembly regulation of plasma membrane bounded cell projection organization organelle organization cytoskeleton organization regulation of lamellipodium assembly regulation of lamellipodium organization regulation of cellular component size protein-containing complex disassembly regulation of protein-containing complex disassembly actin filament depolymerization regulation of actin filament depolymerization actin filament capping actin filament-based process negative regulation of supramolecular fiber organization regulation of biological quality negative regulation of actin filament polymerization cellular component disassembly barbed-end actin filament capping actin filament organization regulation of organelle organization negative regulation of protein depolymerization negative regulation of protein-containing complex assembly regulation of protein polymerization regulation of supramolecular fiber organization supramolecular fiber organization regulation of cytoskeleton organization regulation of actin filament-based process regulation of protein-containing complex assembly negative regulation of protein-containing complex disassembly protein-containing complex assembly negative regulation of protein polymerization regulation of actin filament polymerization actin polymerization or depolymerization protein polymerization regulation of actin filament organization actin cytoskeleton organization actin filament polymerization protein-containing complex organization regulation of protein depolymerization negative regulation of cytoskeleton organization regulation of actin polymerization or depolymerization negative regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization negative regulation of actin filament depolymerization protein depolymerization regulation of anatomical structure size	cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium protein-containing complex intracellular anatomical structure WASH complex cytoplasm membrane Z disc sarcomere intracellular organelle I band cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium protein-containing complex intracellular anatomical structure WASH complex cytoplasm membrane Z disc sarcomere intracellular organelle I band organelle intracellular non-membrane-bounded organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle cytosol cluster of actin-based cell projections brush border membrane-bounded organelle sperm connecting piece cilium 9+2 motile cilium sperm flagellum motile cilium neuron to neuron synapse synapse cell junction hippocampal mossy fiber to CA3 synapse cytoskeleton F-actin capping protein complex actin cytoskeleton postsynaptic density postsynapse postsynaptic specialization asymmetric synapse Schaffer collateral - CA1 synapse cell cortex cortical cytoskeleton cell periphery
C	Twinfilin-2	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding ion binding phosphatidylinositol-4,5-bisphosphate binding anion binding phosphatidylinositol bisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding phosphatidylinositol binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding ion binding phosphatidylinositol-4,5-bisphosphate binding anion binding phosphatidylinositol bisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding phosphatidylinositol binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding kinase binding protein kinase C binding enzyme binding protein kinase binding actin monomer binding	regulation of cytoskeleton organization regulation of biological process regulation of cellular component organization regulation of cellular process regulation of actin filament-based process actin cytoskeleton organization biological regulation regulation of organelle organization cellular component organization organelle organization regulation of actin cytoskeleton organization actin filament-based process cellular process cellular component organization or biogenesis regulation of cytoskeleton organization regulation of biological process regulation of cellular component organization regulation of cellular process regulation of actin filament-based process actin cytoskeleton organization biological regulation regulation of organelle organization cellular component organization organelle organization regulation of actin cytoskeleton organization actin filament-based process cellular process cellular component organization or biogenesis cytoskeleton organization cellular component disassembly actin polymerization or depolymerization protein-containing complex organization actin filament organization protein-containing complex disassembly actin filament depolymerization supramolecular fiber organization protein depolymerization axon extension multicellular organismal process positive regulation of nervous system development regulation of growth axonogenesis regulation of cellular component size developmental growth cell projection organization regulation of cell differentiation regulation of neurogenesis neuron projection development regulation of cell development positive regulation of developmental process multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation anatomical structure development positive regulation of cell projection organization regulation of biological quality positive regulation of developmental growth system development developmental process regulation of cell projection organization positive regulation of cell development nervous system development developmental growth involved in morphogenesis generation of neurons positive regulation of multicellular organismal process regulation of neuron projection development positive regulation of cellular component organization cellular developmental process regulation of developmental process plasma membrane bounded cell projection morphogenesis positive regulation of biological process cell development cell growth cell morphogenesis regulation of axon extension regulation of nervous system development neurogenesis regulation of extent of cell growth positive regulation of cell differentiation regulation of axonogenesis positive regulation of neurogenesis regulation of multicellular organismal process positive regulation of axon extension positive regulation of cellular process positive regulation of axonogenesis regulation of anatomical structure morphogenesis regulation of cell size neuron projection extension regulation of multicellular organismal development regulation of developmental growth plasma membrane bounded cell projection organization developmental cell growth growth positive regulation of cell growth axon development regulation of cell growth cell morphogenesis involved in neuron differentiation anatomical structure morphogenesis positive regulation of growth neuron development regulation of plasma membrane bounded cell projection organization regulation of anatomical structure size cellular response to stimulus response to organic substance response to lipid response to stimulus response to oxygen-containing compound cellular response to oxygen-containing compound response to retinoic acid cellular response to chemical stimulus cellular response to retinoic acid response to chemical cellular response to lipid cellular response to organic substance negative regulation of biological process cellular component biogenesis regulation of protein-containing complex assembly cellular component assembly protein-containing complex assembly negative regulation of cellular process negative regulation of protein polymerization regulation of actin filament polymerization negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization protein polymerization regulation of actin filament organization actin filament polymerization negative regulation of cellular component organization negative regulation of cytoskeleton organization regulation of actin polymerization or depolymerization regulation of cellular component biogenesis negative regulation of protein-containing complex assembly negative regulation of organelle organization regulation of protein polymerization regulation of actin filament length regulation of supramolecular fiber organization positive regulation of neuron projection development cellular response to endogenous stimulus cellular response to growth factor stimulus response to endogenous stimulus response to growth factor protein localization localization cellular macromolecule localization maintenance of location maintenance of protein location cellular localization maintenance of location in cell maintenance of protein location in cell sequestering of actin monomers macromolecule localization lamellipodium assembly regulation of cell projection assembly plasma membrane bounded cell projection assembly regulation of plasma membrane bounded cell projection assembly regulation of lamellipodium assembly regulation of lamellipodium organization lamellipodium organization cell projection assembly signaling signal transduction intracellular signal transduction cell communication regulation of protein-containing complex disassembly regulation of actin filament depolymerization actin filament capping barbed-end actin filament capping negative regulation of protein depolymerization negative regulation of protein-containing complex disassembly regulation of protein depolymerization negative regulation of actin filament depolymerization positive regulation of cellular component biogenesis positive regulation of lamellipodium assembly positive regulation of lamellipodium organization positive regulation of plasma membrane bounded cell projection assembly regulation of cell projection size regulation of microvillus length microvillus organization regulation of microvillus organization	cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium intracellular anatomical structure cytoplasm cytosol growth cone axon distal axon neuron projection site of polarized growth intracellular organelle cell projection cell leading edge cellular anatomical entity plasma membrane bounded cell projection lamellipodium intracellular anatomical structure cytoplasm cytosol growth cone axon distal axon neuron projection site of polarized growth intracellular organelle organelle intracellular non-membrane-bounded organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex non-membrane-bounded organelle perinuclear region of cytoplasm polymeric cytoskeletal fiber actin filament actin cytoskeleton cytoskeleton stereocilium actin-based cell projection stereocilium bundle cluster of actin-based cell projections filopodium

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002189	F-actin-capping protein subunit alpha	Family
A	IPR042489	F-actin capping protein, alpha subunit, domain 1	Homologous Superfamily
A	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
A	IPR017865	F-actin capping protein, alpha subunit, conserved site	Conserved Site
A	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily
B	IPR001698	F-actin-capping protein subunit beta	Family
B	IPR019771	F-actin capping protein, beta subunit, conserved site	Conserved Site
B	IPR043175	F-actin-capping protein subunit beta, N-terminal domain	Homologous Superfamily
B	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
B	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily
C	IPR029006	ADF-H/Gelsolin-like domain superfamily	Homologous Superfamily
C	IPR028458	Twinfilin	Family
C	IPR002108	Actin-depolymerising factor homology domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.