7PDZ

Structure of capping protein bound to the barbed end of a cytoplasmic actin filament

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)
A [auth E]	SCOP2 Family	Capz beta-1 subunit	8104304	4003781	SCOP2 (2022-06-29)
A [auth E]	SCOP2 Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8104305	3001499	SCOP2 (2022-06-29)
B [auth F]	SCOP2B Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8102473	3001499	SCOP2B (2022-06-29)
C [auth I]	SCOP2B Superfamily	Actin-like ATPases	8003798	3000092	SCOP2B (2022-06-29)
C [auth I]	SCOP2B Superfamily	Actin-like ATPases	8092404	3000092	SCOP2B (2022-06-29)
D [auth J]	SCOP2B Superfamily	Actin-like ATPases	8003798	3000092	SCOP2B (2022-06-29)
D [auth J]	SCOP2B Superfamily	Actin-like ATPases	8092404	3000092	SCOP2B (2022-06-29)
E [auth K]	SCOP2B Superfamily	Actin-like ATPases	8092404	3000092	SCOP2B (2022-06-29)
E [auth K]	SCOP2B Superfamily	Actin-like ATPases	8003798	3000092	SCOP2B (2022-06-29)
F [auth L]	SCOP2B Superfamily	Actin-like ATPases	8003798	3000092	SCOP2B (2022-06-29)
F [auth L]	SCOP2B Superfamily	Actin-like ATPases	8092404	3000092	SCOP2B (2022-06-29)
G [auth N]	SCOP2B Superfamily	Actin-like ATPases	8092404	3000092	SCOP2B (2022-06-29)
G [auth N]	SCOP2B Superfamily	Actin-like ATPases	8003798	3000092	SCOP2B (2022-06-29)
H [auth O]	SCOP2B Superfamily	Actin-like ATPases	8092404	3000092	SCOP2B (2022-06-29)
H [auth O]	SCOP2B Superfamily	Actin-like ATPases	8003798	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 [auth E]	F_actin_cap_B_1st	e7pdzE3	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)
A [auth E]	F_actin_cap_B_3rd	e7pdzE1	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)
A [auth E]	F_actin_cap_B_2nd	e7pdzE2	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)
B [auth F]	F-actin_cap_A_1st	e7pdzF2	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)
B [auth F]	F-actin_cap_A_3rd	e7pdzF1	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)
B [auth F]	F-actin_cap_A_2nd	e7pdzF3	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)
C [auth I]	Actin_1st	e7pdzI2	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)
C [auth I]	Actin_2nd	e7pdzI1	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)
D [auth J]	Actin_1st	e7pdzJ2	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)
D [auth J]	Actin_2nd	e7pdzJ1	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)
E [auth K]	Actin_1st	e7pdzK2	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)
E [auth K]	Actin_2nd	e7pdzK1	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)
F [auth L]	Actin_1st	e7pdzL2	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)
F [auth L]	Actin_2nd	e7pdzL1	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)
G [auth N]	Actin_1st	e7pdzN2	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)
G [auth N]	Actin_2nd	e7pdzN1	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)
H [auth O]	Actin_1st	e7pdzO2	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)
H [auth O]	Actin_2nd	e7pdzO1	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
A [auth E]	PF01115	F-actin capping protein, beta subunit (F_actin_cap_B)	F-actin capping protein, beta subunit	-	Family
B [auth F]	PF01267	F-actin capping protein alpha subunit (F-actin_cap_A)	F-actin capping protein alpha subunit	-	Family
C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], H [auth O]	PF00022	Actin (Actin)	Actin	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth E]	Isoform 2 of F-actin-capping protein subunit beta	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 cytoskeletal calyx perinuclear theca cytoskeleton perinuclear region of cytoplasm 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 F-actin capping protein complex actin cytoskeleton neuron spine neuron projection dendritic spine somatodendritic compartment postsynapse dendrite dendritic tree postsynaptic density postsynaptic specialization asymmetric synapse Schaffer collateral - CA1 synapse cell body neuronal cell body cell cortex cortical cytoskeleton cell periphery
B [auth F]	F-actin-capping protein subunit alpha-1	cytoskeletal protein binding actin binding protein binding 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 membrane cell-cell junction anchoring junction cell junction intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle F-actin capping protein complex protein-containing complex intracellular anatomical structure WASH complex cytoplasm cellular anatomical entity membrane cell-cell junction anchoring junction cell junction intracellular organelle cytoskeleton organelle intracellular non-membrane-bounded organelle F-actin capping protein complex actin cytoskeleton non-membrane-bounded organelle cytosol cluster of actin-based cell projections brush border cell cortex cortical cytoskeleton cell periphery
C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], H [auth O]	Actin, cytoplasmic 1	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding protein binding kinase binding enzyme binding protein kinase binding hydrolase activity catalytic activity structural constituent of postsynapse structural constituent of cytoskeleton structural molecule activity structural constituent of synapse structural constituent of postsynaptic actin cytoskeleton	cellular process cell motility multicellular organismal process axonogenesis cellular developmental process cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis cellular component organization neurogenesis multicellular organism development cell projection morphogenesis cellular process cell motility multicellular organismal process axonogenesis cellular developmental process cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis cellular component organization neurogenesis multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation anatomical structure development cellular component organization or biogenesis system development developmental process plasma membrane bounded cell projection organization nervous system development axon development cell morphogenesis involved in neuron differentiation generation of neurons anatomical structure morphogenesis neuron development	anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction protein-containing complex intracellular anatomical structure catalytic complex protein-DNA complex NuA4 histone acetyltransferase complex chromatin chromosome transferase complex H4/H2A histone acetyltransferase complex anchoring junction cell junction cellular anatomical entity focal adhesion cell-substrate junction protein-containing complex intracellular anatomical structure catalytic complex protein-DNA complex NuA4 histone acetyltransferase complex chromatin chromosome transferase complex H4/H2A histone acetyltransferase complex histone acetyltransferase complex acetyltransferase complex H4 histone acetyltransferase complex intracellular organelle organelle intracellular non-membrane-bounded organelle protein acetyltransferase complex intracellular protein-containing complex non-membrane-bounded organelle membrane cytoskeleton actin cytoskeleton synapse cytoplasm cytosol polymeric cytoskeletal fiber actin filament supramolecular fiber supramolecular polymer supramolecular complex dense body cell periphery plasma membrane axon cell projection neuron projection plasma membrane bounded cell projection membrane-bounded organelle nucleus intracellular membrane-bounded organelle
I [auth Q], J [auth R], K [auth S], L [auth T], M [auth P]	Phalloidin	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth E]	IPR001698	F-actin-capping protein subunit beta	Family
A [auth E]	IPR019771	F-actin capping protein, beta subunit, conserved site	Conserved Site
A [auth E]	IPR043175	F-actin-capping protein subunit beta, N-terminal domain	Homologous Superfamily
A [auth E]	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
A [auth E]	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily
B [auth F]	IPR002189	F-actin-capping protein subunit alpha	Family
B [auth F]	IPR042489	F-actin capping protein, alpha subunit, domain 1	Homologous Superfamily
B [auth F]	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
B [auth F]	IPR017865	F-actin capping protein, alpha subunit, conserved site	Conserved Site
B [auth F]	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily
C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], H [auth O]	IPR020902	Actin/actin-like conserved site	Conserved Site
C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], H [auth O]	IPR004001	Actin, conserved site	Conserved Site
C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], H [auth O]	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], H [auth O]	IPR004000	Actin family	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], C [auth I], D [auth J], E [auth K], F [auth L], G [auth N], H [auth O]	HIC	Parent Component: HIS RESID: AA0317 PSI-MOD : 1'-methyl-L-histidine MOD:00322
I [auth Q], J [auth R], K [auth S], L [auth T], M [auth P]	DTH	RESID: AA0317 , AA0199 PSI-MOD : 1'-methyl-L-histidine MOD:00322 , D-allo-threonine MOD:00863
I [auth Q], J [auth R], K [auth S], L [auth T], M [auth P]	EEP	RESID: AA0317 , AA0199
I [auth Q], J [auth R], K [auth S], L [auth T], M [auth P]	HYP	Parent Component: PRO RESID: AA0317 , AA0199 , AA0030 PSI-MOD : 1'-methyl-L-histidine MOD:00322 , D-allo-threonine MOD:00863 , 4-hydroxy-L-proline MOD:00039

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.