Annotations: 9L2N

Crystal structure of Cytochalasin D bound to a filamentous conformation actin

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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	SCOP2B Superfamily	Actin-like ATPases	8043436	3000092	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Actin-like ATPases	8043438	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	Beta-Casp	e9l2nA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: Beta-Casp	ECOD (v294.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Actin-binding protein fragmin P	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding cation binding ion binding metal ion binding small molecule binding	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 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 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	cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton
A	Actin, alpha skeletal muscle	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 hydrolase activity catalytic activity	cellular developmental process cellular component assembly involved in morphogenesis skeletal myofibril assembly cell development membraneless organelle assembly muscle cell differentiation cellular component organization cellular component biogenesis muscle structure development striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation actin filament-based process cellular developmental process cellular component assembly involved in morphogenesis skeletal myofibril assembly cell development membraneless organelle assembly muscle cell differentiation cellular component organization cellular component biogenesis muscle structure development striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation actin filament-based process anatomical structure development cellular component organization or biogenesis developmental process skeletal muscle thin filament assembly actin cytoskeleton organization actomyosin structure organization organelle assembly actin filament organization anatomical structure morphogenesis organelle organization myofibril assembly anatomical structure formation involved in morphogenesis cellular process striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization myotube cell development skeletal muscle fiber development skeletal muscle tissue development animal organ development tissue development myotube differentiation striated muscle tissue development skeletal muscle organ development muscle tissue development muscle organ development	polymeric cytoskeletal fiber intracellular anatomical structure actin filament intracellular membraneless organelle actin cytoskeleton intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle supramolecular fiber supramolecular polymer supramolecular complex striated muscle thin filament polymeric cytoskeletal fiber intracellular anatomical structure actin filament intracellular membraneless organelle actin cytoskeleton intracellular organelle cellular anatomical structure cytoskeleton organelle membraneless organelle supramolecular fiber supramolecular polymer supramolecular complex striated muscle thin filament myofilament sarcomere contractile muscle fiber cytoplasm myofibril actin filament bundle actomyosin stress fiber contractile actin filament bundle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR007123	Gelsolin-like domain	Domain
B	IPR007122	Villin/Gelsolin	Family
B	IPR029006	ADF-H/Gelsolin-like domain superfamily	Homologous Superfamily
A	IPR020902	Actin/actin-like conserved site	Conserved Site
A	IPR004001	Actin, conserved site	Conserved Site
A	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
A	IPR004000	Actin family	Family

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A	HIC	Parent Component: HIS : AA0317 : 1'-methyl-L-histidine MOD:00322

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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.