4X3N | pdb_00004x3n

Crystal structure of 34 kDa F-actin bundling protein from Dictyostelium discoideum

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	e4x3nC1	A: Hsp90 co-chaperone CDC37 middle domain	X: Nucleoplasmin-like/VP (viral coat and capsid proteins)	H: Nucleoplasmin-like/VP (viral coat and capsid proteins)	T: IF-2B	F:	ECOD (20:10:01)
B	e4x3nB1	A: Hsp90 co-chaperone CDC37 middle domain	X: Nucleoplasmin-like/VP (viral coat and capsid proteins)	H: Nucleoplasmin-like/VP (viral coat and capsid proteins)	T: IF-2B	F:	ECOD (20:10:01)
A	e4x3nA1	A: Cytidine deaminase-like	X: EF-hand-related	H: EF-hand	T:	F:	ECOD (20:10:01)
A	e4x3nA2	A: Cytidine deaminase-like	X: Rossmann-related	H: S-adenosyl-L-methionine-dependent methyltransferases	T: F_actin_bund_C	F:	ECOD (20:10:01)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF18060	F actin bundling C terminal (F_actin_bund_C)	F actin bundling C terminal	This is the C-terminal domain found in 34 kDa F actin bundling protein. ABP34 is a calcium regulated actin binding protein that cross links actin filaments into bundles. Residues 216-244 in the C-domain are part of the strongest actin-binding sites ( ...	This is the C-terminal domain found in 34 kDa F actin bundling protein. ABP34 is a calcium regulated actin binding protein that cross links actin filaments into bundles. Residues 216-244 in the C-domain are part of the strongest actin-binding sites (residue 193 residue 254) and have conserved sequences with the actin-binding regions of alpha-actinin and ABP120[1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Calcium-regulated actin-bundling protein	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding actin filament binding	cellular component organization organelle organization actin cytoskeleton organization actin filament organization actin filament-based process cellular process actin crosslink formation cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization cellular component biogenesis parallel actin filament bundle assembly cellular component assembly actin filament bundle organization cellular component organization organelle organization actin cytoskeleton organization actin filament organization actin filament-based process cellular process actin crosslink formation cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization cellular component biogenesis parallel actin filament bundle assembly cellular component assembly actin filament bundle organization actin filament bundle assembly	cell projection cellular anatomical structure pseudopodium plasma membrane bounded cell projection supramolecular fiber supramolecular polymer supramolecular complex intranuclear rod membrane-bounded organelle intracellular anatomical structure intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle intracellular organelle cell projection cellular anatomical structure pseudopodium plasma membrane bounded cell projection supramolecular fiber supramolecular polymer supramolecular complex intranuclear rod membrane-bounded organelle intracellular anatomical structure intracellular vesicle phagocytic vesicle intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle organelle cytoplasm vesicle endocytic vesicle polymeric cytoskeletal fiber protein-containing complex actin filament intracellular membraneless organelle actin cytoskeleton filamentous actin cytoskeleton membraneless organelle cell cortex cortical cytoskeleton cell periphery actin-based cell projection filopodium

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR053356	Calcium-regulated actin-bundling protein	Family
A, B, C	IPR040810	Calcium-regulated actin-bundling protein, C-terminal	Domain

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.

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