9Y9L | pdb_00009y9l

CP at the barbed end with one cofilin on second-to-last subunit

External Resource: Annotation

Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Protein Modification Annotation

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E	Actin, alpha skeletal muscle	cytoskeletal protein binding titin binding protein binding binding cation binding ion binding calcium ion binding metal ion binding small molecule binding protein domain specific binding hydrolase activity catalytic activity troponin I binding cytoskeletal motor activator activity cytoskeletal protein binding titin binding protein binding binding cation binding ion binding calcium ion binding metal ion binding small molecule binding protein domain specific binding hydrolase activity catalytic activity troponin I binding cytoskeletal motor activator activity cytoskeletal motor regulator activity molecular function activator activity molecular function regulator activity magnesium ion binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding myosin heavy chain binding myosin binding tropomyosin binding calcium-dependent protein binding identical protein binding actin monomer binding actin binding	developmental process mesenchyme migration multicellular organismal process mesenchyme morphogenesis animal organ development mesenchyme development tissue development tissue morphogenesis anatomical structure morphogenesis tissue migration anatomical structure development animal organ morphogenesis myotube cell development skeletal muscle fiber development developmental process mesenchyme migration multicellular organismal process mesenchyme morphogenesis animal organ development mesenchyme development tissue development tissue morphogenesis anatomical structure morphogenesis tissue migration anatomical structure development animal organ morphogenesis myotube cell development skeletal muscle fiber development cellular developmental process skeletal muscle tissue development cell development muscle cell differentiation myotube differentiation striated muscle tissue development muscle structure development skeletal muscle organ development striated muscle cell development muscle cell development cell differentiation cellular process muscle tissue development muscle organ development striated muscle cell differentiation regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation positive regulation of biological process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process positive regulation of macromolecule biosynthetic process regulation of gene expression positive regulation of metabolic process biosynthetic process positive regulation of gene expression positive regulation of biosynthetic process regulation of macromolecule biosynthetic process metabolic process positive regulation of macromolecule metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular process cellular component assembly involved in morphogenesis skeletal myofibril assembly membraneless organelle assembly cellular component organization cellular component biogenesis cellular anatomical entity morphogenesis cellular component assembly actin filament-based process cellular component organization or biogenesis skeletal muscle thin filament assembly actin cytoskeleton organization actomyosin structure organization organelle assembly actin filament organization organelle organization myofibril assembly anatomical structure formation involved in morphogenesis supramolecular fiber organization cytoskeleton organization protein polymerization actin polymerization or depolymerization actin filament polymerization protein-containing complex organization protein-containing complex assembly actin filament bundle organization actin filament bundle assembly	intracellular anatomical structure skeletal muscle myofibril intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex cell projection intracellular anatomical structure skeletal muscle myofibril intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex cell projection cell leading edge plasma membrane bounded cell projection lamellipodium cytoskeleton actin filament bundle actin cytoskeleton actomyosin stress fiber contractile actin filament bundle polymeric cytoskeletal fiber actin filament protein-containing complex filamentous actin cell body striated muscle thin filament myofilament sarcomere actin-based cell projection filopodium
F [auth Y]	F-actin-capping protein subunit alpha-1	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding cell adhesion molecule binding cadherin binding	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis cell junction organization cell junction assembly regulation of cellular process regulation of cellular component size negative regulation of biological process protein-containing complex disassembly regulation of protein-containing complex disassembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis cell junction organization cell junction assembly 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 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 regulation of protein-containing complex assembly negative regulation of protein-containing complex disassembly negative regulation of cellular process 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 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 negative regulation of actin filament depolymerization protein depolymerization cytoskeleton organization regulation of anatomical structure size	protein-containing complex cellular anatomical structure intracellular anatomical structure WASH complex cytoplasm intracellular organelle cytoskeleton organelle membraneless organelle intracellular membraneless organelle extracellular region F-actin capping protein complex actin cytoskeleton extracellular exosome protein-containing complex cellular anatomical structure intracellular anatomical structure WASH complex cytoplasm intracellular organelle cytoskeleton organelle membraneless organelle intracellular membraneless organelle extracellular region F-actin capping protein complex actin cytoskeleton extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular space vesicle extracellular membrane-bounded organelle cytosol cell cortex cortical cytoskeleton cell periphery
G [auth Z]	F-actin-capping protein subunit beta	cytoskeletal protein binding actin binding protein binding binding cell adhesion molecule binding cadherin 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 organelle organization cytoskeleton organization 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 regulation of biological quality negative regulation of supramolecular fiber organization negative regulation of actin filament polymerization cellular component disassembly 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 regulation of actin polymerization or depolymerization regulation of cellular component biogenesis 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 cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium protein-containing complex intracellular anatomical structure WASH complex cytoplasm membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle cell projection cellular anatomical structure cell leading edge plasma membrane bounded cell projection lamellipodium protein-containing complex intracellular anatomical structure WASH complex cytoplasm membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular organelle cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton cytosol apical part of cell cluster of actin-based cell projections brush border sperm head-tail coupling apparatus neuron to neuron synapse synapse cell junction hippocampal mossy fiber to CA3 synapse sarcomere contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex F-actin capping protein complex postsynaptic density postsynapse postsynaptic specialization asymmetric synapse Schaffer collateral - CA1 synapse cell cortex cortical cytoskeleton cell periphery
H [auth a], I [auth b], J [auth c], K [auth d]	Cofilin-2	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding	positive regulation of organelle organization regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process positive regulation of cellular component organization regulation of actin filament-based process regulation of cellular component size positive regulation of biological process protein-containing complex disassembly positive regulation of actin filament depolymerization regulation of protein-containing complex disassembly actin filament depolymerization cellular component organization regulation of actin filament depolymerization actin filament-based process positive regulation of organelle organization regulation of cytoskeleton organization regulation of cellular component organization regulation of cellular process positive regulation of cellular component organization regulation of actin filament-based process regulation of cellular component size positive regulation of biological process protein-containing complex disassembly positive regulation of actin filament depolymerization regulation of protein-containing complex disassembly actin filament depolymerization cellular component organization regulation of actin filament depolymerization actin filament-based process cellular component organization or biogenesis regulation of biological quality positive regulation of protein-containing complex disassembly positive regulation of cellular process cellular component disassembly actin polymerization or depolymerization regulation of biological process regulation of actin filament organization actin cytoskeleton organization protein-containing complex organization regulation of protein depolymerization positive regulation of protein depolymerization positive regulation of cytoskeleton organization biological regulation actin filament organization regulation of actin polymerization or depolymerization positive regulation of supramolecular fiber organization regulation of organelle organization organelle organization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization cellular process supramolecular fiber organization protein depolymerization cytoskeleton organization regulation of anatomical structure size actin filament severing actin filament fragmentation developmental process muscle structure development skeletal muscle organ development skeletal muscle tissue development anatomical structure development animal organ development muscle tissue development muscle organ development tissue development striated muscle tissue development cellular developmental process cellular component assembly involved in morphogenesis cell development membraneless organelle assembly muscle cell differentiation cellular component biogenesis striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation sarcomere organization actomyosin structure organization organelle assembly anatomical structure morphogenesis myofibril assembly anatomical structure formation involved in morphogenesis striated muscle cell differentiation cellular homeostasis homeostatic process muscle cell cellular homeostasis	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle nuclear lumen nuclear matrix intracellular membraneless organelle Z disc membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle nuclear lumen nuclear matrix intracellular membraneless organelle Z disc sarcomere I band membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cytoskeleton actin cytoskeleton

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E	IPR020902	Actin/actin-like conserved site	Conserved Site
A, B, C, D, E	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
A, B, C, D, E	IPR004001	Actin, conserved site	Conserved Site
A, B, C, D, E	IPR004000	Actin family	Family
F [auth Y]	IPR002189	F-actin-capping protein subunit alpha	Family
F [auth Y]	IPR042489	F-actin capping protein, alpha subunit, domain 1	Homologous Superfamily
F [auth Y]	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
F [auth Y]	IPR017865	F-actin capping protein, alpha subunit, conserved site	Conserved Site
F [auth Y]	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily
G [auth Z]	IPR001698	F-actin-capping protein subunit beta	Family
G [auth Z]	IPR019771	F-actin capping protein, beta subunit, conserved site	Conserved Site
G [auth Z]	IPR043175	F-actin-capping protein subunit beta, N-terminal domain	Homologous Superfamily
G [auth Z]	IPR037282	F-actin-capping protein subunit alpha/beta	Homologous Superfamily
G [auth Z]	IPR042276	F-actin-capping protein subunit alpha/beta, domain 2	Homologous Superfamily
H [auth a], I [auth b], J [auth c], K [auth d]	IPR029006	ADF-H/Gelsolin-like domain superfamily	Homologous Superfamily
H [auth a], I [auth b], J [auth c], K [auth d]	IPR017904	ADF/Cofilin	Family
H [auth a], I [auth b], J [auth c], K [auth d]	IPR002108	Actin-depolymerising factor homology domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
F [auth Y]	Pharos: P52907	esophageal squamous cell carcinoma dermatomyositis juvenile dermatomyositis ovarian cancer Duchenne muscular dystrophy exocrine pancreatic carcinoma lymphoplasmacytic lymphoma subependymal giant cell astrocytoma Emery-Dreifuss muscular dystrophy hypertensive disorder myopathy
G [auth Z]	Pharos: P47756	acute coronary syndrome sarcomatoid carcinoma carcinoma Mammary Neoplasms, Experimental spina bifida astrocytic tumor dermatomyositis hypothyroidism mammary neoplasms, animal pancreatic ductal adenocarcinoma tuberculosis glioblastoma malignant pancreatic neoplasm psoriasis Sjogren syndrome acute coronary syndrome sarcomatoid carcinoma carcinoma Mammary Neoplasms, Experimental spina bifida astrocytic tumor dermatomyositis hypothyroidism mammary neoplasms, animal pancreatic ductal adenocarcinoma tuberculosis glioblastoma malignant pancreatic neoplasm psoriasis Sjogren syndrome undifferentiated carcinoma hyperthyroidism ovarian cancer rheumatoid arthritis
H [auth a], I [auth b], J [auth c], K [auth d]	Pharos: Q9Y281	nemaline myopathy nemaline myopathy 7 atrial fibrillation ovarian cancer pancreatic intraductal papillary-mucinous neoplasm tuberculosis arthrogryposis breast cancer Congenital myopathy (disorder) interstitial lung disease myopathy non-small cell lung carcinoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia ulcerative colitis nemaline myopathy nemaline myopathy 7 atrial fibrillation ovarian cancer pancreatic intraductal papillary-mucinous neoplasm tuberculosis arthrogryposis breast cancer Congenital myopathy (disorder) interstitial lung disease myopathy non-small cell lung carcinoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia ulcerative colitis atopic eczema breast carcinoma ductal breast carcinoma in situ invasive ductal breast carcinoma muscle tissue disease osteosarcoma pancreatic intraductal papillary-mucinous carcinoma spina bifida breast fibroadenoma hereditary spastic paraplegia lung adenocarcinoma muscular disease

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C, D, E	HIC	Parent Component: HIS RESID: AA0317 PSI-MOD : 1'-methyl-L-histidine MOD:00322

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.