4AKR

Crystal Structure of the cytoplasmic actin capping protein Cap32_34 from Dictyostelium discoideum

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4akra_	Multi-domain proteins (alpha and beta)	Subunits of heterodimeric actin filament capping protein Capz	Subunits of heterodimeric actin filament capping protein Capz	automated matches	automated matches	SLIME MOLD (Dictyostelium discoideum AX2 ) [TaxId: 366501 ],	SCOPe (2.08)
C	d4akrc_	Multi-domain proteins (alpha and beta)	Subunits of heterodimeric actin filament capping protein Capz	Subunits of heterodimeric actin filament capping protein Capz	automated matches	automated matches	SLIME MOLD (Dictyostelium discoideum AX2 ) [TaxId: 366501 ],	SCOPe (2.08)
B	d4akrb_	Multi-domain proteins (alpha and beta)	Subunits of heterodimeric actin filament capping protein Capz	Subunits of heterodimeric actin filament capping protein Capz	Capz beta-1 subunit	automated matches	SLIME MOLD (Dictyostelium discoideum AX2 ) [TaxId: 366501 ],	SCOPe (2.08)
D	d4akrd_	Multi-domain proteins (alpha and beta)	Subunits of heterodimeric actin filament capping protein Capz	Subunits of heterodimeric actin filament capping protein Capz	Capz beta-1 subunit	automated matches	SLIME MOLD (Dictyostelium discoideum AX2 ) [TaxId: 366501 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Capz alpha-1 subunit	8077312	4003791	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8077313	3001499	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8077313	3001499	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8077554	3001499	SCOP2B (2022-06-29)
D	SCOP2 Family	Capz beta-1 subunit	8077553	4003781	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Subunits of heterodimeric actin filament capping protein Capz	8077554	3001499	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	F-actin_cap_A_1st	e4akrA1	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	e4akrA2	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	e4akrA3	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	F-actin_cap_A_1st	e4akrC1	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)
C	F-actin_cap_A_3rd	e4akrC2	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)
C	F-actin_cap_A_2nd	e4akrC3	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	e4akrB3	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	e4akrB1	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	e4akrB2	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)
D	F_actin_cap_B_1st	e4akrD1	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)
D	F_actin_cap_B_3rd	e4akrD2	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)
D	F_actin_cap_B_2nd	e4akrD3	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)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.1140.60	Alpha Beta	2-Layer Sandwich	Ribosomal protein S3 C-terminal domain	F-actin capping protein, alpha subunit	CATH (4.3.0)
A	3.90.1150.210	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	F-actin capping protein, beta subunit	CATH (4.3.0)
C	3.30.1140.60	Alpha Beta	2-Layer Sandwich	Ribosomal protein S3 C-terminal domain	F-actin capping protein, alpha subunit	CATH (4.3.0)
C	3.90.1150.210	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	F-actin capping protein, beta subunit	CATH (4.3.0)
B	1.20.58.570	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
B	3.90.1150.210	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	F-actin capping protein, beta subunit	CATH (4.3.0)
D	1.20.58.570	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
D	3.90.1150.210	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	F-actin capping protein, beta subunit	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF01267	F-actin capping protein alpha subunit (F-actin_cap_A)	F-actin capping protein alpha subunit	-	Family
B, D	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, C	F-ACTIN-CAPPING PROTEIN SUBUNIT ALPHA	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding	biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus 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 biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus 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 biogenesis actin filament capping cellular component assembly actin filament-based process regulation of biological quality negative regulation of supramolecular fiber organization 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 cellular component organization 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 cellular component organization or biogenesis 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 biological regulation regulation of cellular component biogenesis organelle organization negative regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization cellular process negative regulation of actin filament depolymerization protein depolymerization cytoskeleton organization regulation of anatomical structure size	intracellular anatomical structure cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton intracellular organelle cell periphery cellular anatomical structure cytoskeleton organelle membraneless organelle cortical actin cytoskeleton cytoplasm protein-containing complex intracellular anatomical structure cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton intracellular organelle cell periphery cellular anatomical structure cytoskeleton organelle membraneless organelle cortical actin cytoskeleton cytoplasm protein-containing complex F-actin capping protein complex cytosol
B, D	F-ACTIN-CAPPING PROTEIN SUBUNIT BETA	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding lipid binding	developmental process anatomical structure morphogenesis anatomical structure development cell morphogenesis biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus regulation of cellular process regulation of cellular component size negative regulation of biological process developmental process anatomical structure morphogenesis anatomical structure development cell morphogenesis biological process involved in interspecies interaction between organisms response to stimulus response to other organism response to bacterium response to external stimulus response to external biotic stimulus response to biotic stimulus 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 biogenesis actin filament capping cellular component assembly actin filament-based process regulation of biological quality negative regulation of supramolecular fiber organization 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 cellular component organization 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 cellular component organization or biogenesis 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 biological regulation regulation of cellular component biogenesis organelle organization negative regulation of organelle organization regulation of actin filament length regulation of actin cytoskeleton organization cellular process negative regulation of actin filament depolymerization protein depolymerization cytoskeleton organization regulation of anatomical structure size	intracellular anatomical structure cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton intracellular organelle cell periphery cellular anatomical structure cytoskeleton organelle membraneless organelle cortical actin cytoskeleton cytoplasm protein-containing complex intracellular anatomical structure cell cortex cortical cytoskeleton intracellular membraneless organelle actin cytoskeleton intracellular organelle cell periphery cellular anatomical structure cytoskeleton organelle membraneless organelle cortical actin cytoskeleton cytoplasm protein-containing complex F-actin capping protein complex cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR002189	F-actin-capping protein subunit alpha	Family
A, C	IPR042489	F-actin capping protein, alpha subunit, domain 1	Homologous Superfamily
A, C	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
A, C	IPR017865	F-actin capping protein, alpha subunit, conserved site	Conserved Site
A, C	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily
B, D	IPR019771	F-actin capping protein, beta subunit, conserved site	Conserved Site
B, D	IPR001698	F-actin-capping protein subunit beta	Family
B, D	IPR043175	F-actin-capping protein subunit beta, N-terminal domain	Homologous Superfamily
B, D	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
B, D	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily

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.