9CFX | pdb_00009cfx

Cryo-EM structure of myosin-1c bound to F-actin in the Rigor state

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth B]	SCOP2B Superfamily	Actin-like ATPases	8040509	3000092	SCOP2B (2022-06-29)
A [auth B]	SCOP2B Superfamily	Actin-like ATPases	8040506	3000092	SCOP2B (2022-06-29)
B [auth C]	SCOP2B Superfamily	Actin-like ATPases	8040506	3000092	SCOP2B (2022-06-29)
B [auth C]	SCOP2B Superfamily	Actin-like ATPases	8040509	3000092	SCOP2B (2022-06-29)
C [auth D]	SCOP2B Superfamily	Actin-like ATPases	8040506	3000092	SCOP2B (2022-06-29)
C [auth D]	SCOP2B Superfamily	Actin-like ATPases	8040509	3000092	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
D [auth P]	PF00612	IQ calmodulin-binding motif (IQ)	IQ calmodulin-binding motif	-	Motif
D [auth P]	PF00063	Myosin head (motor domain) (Myosin_head)	Myosin head (motor domain)		Domain
E [auth R]	PF13499	EF-hand domain pair (EF-hand_7)	EF-hand domain pair		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth C], C [auth D]	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
D [auth P]	Unconventional myosin-Ic	small GTPase binding protein binding binding enzyme binding GTPase binding signaling receptor binding phospholipid binding lipid binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding small GTPase binding protein binding binding enzyme binding GTPase binding signaling receptor binding phospholipid binding lipid 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 cytoskeletal protein binding actin binding calmodulin binding polypeptide conformation or assembly isomerase activity isomerase activity cytoskeletal motor activity microfilament motor activity macromolecular conformation isomerase activity catalytic activity ATP-dependent activity	cellular response to stimulus regulation of biological process regulation of cellular process cellular response to growth factor stimulus cell surface receptor signaling pathway response to stimulus signaling response to endogenous stimulus biological regulation cell surface receptor protein tyrosine kinase signaling pathway cell communication vascular endothelial growth factor signaling pathway cellular response to endogenous stimulus cellular process cellular response to stimulus regulation of biological process regulation of cellular process cellular response to growth factor stimulus cell surface receptor signaling pathway response to stimulus signaling response to endogenous stimulus biological regulation cell surface receptor protein tyrosine kinase signaling pathway cell communication vascular endothelial growth factor signaling pathway cellular response to endogenous stimulus cellular process cellular response to vascular endothelial growth factor stimulus signal transduction response to growth factor enzyme-linked receptor protein signaling pathway cellular response to nitrogen compound response to peptide hormone positive regulation of biological process regulation of cellular response to insulin stimulus positive regulation of response to stimulus response to hormone positive regulation of cellular process positive regulation of cellular response to insulin stimulus cellular response to hormone stimulus response to oxygen-containing compound cellular response to peptide hormone stimulus response to nitrogen compound cellular response to oxygen-containing compound cellular response to chemical stimulus regulation of response to stimulus response to chemical response to insulin cellular response to insulin stimulus localization establishment of protein localization cellular localization establishment of protein localization to membrane protein targeting localization within membrane establishment of localization protein targeting to membrane bicellular tight junction assembly regulation of bicellular tight junction assembly regulation of cellular component organization tight junction organization apical junction assembly regulation of cellular component biogenesis cellular component organization cellular component biogenesis regulation of cell junction assembly cell junction organization cellular component assembly cell junction assembly tight junction assembly cellular component organization or biogenesis cell-cell junction assembly cell-cell junction organization biological process involved in interspecies interaction between organisms immune response response to other organism defense response response to type II interferon response to cytokine defense response to symbiont response to external stimulus cellular response to type II interferon response to biotic stimulus response to peptide immune system process defense response to other organism response to stress innate immune response cellular response to cytokine stimulus response to external biotic stimulus positive regulation of locomotion regulation of cell motility positive regulation of cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion positive regulation of DNA-templated transcription RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process positive regulation of biosynthetic process transcription by RNA polymerase I positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase I regulation of RNA biosynthetic process regulation of biosynthetic process positive regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase I primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process positive regulation of transcription by RNA polymerase III transcription by RNA polymerase III regulation of transcription by RNA polymerase III vesicle transport along actin filament vesicle cytoskeletal trafficking vesicle localization establishment of organelle localization transport establishment of vesicle localization intracellular transport actin filament-based movement organelle localization establishment of localization in cell actin filament-based process cytoskeleton-dependent intracellular transport actin filament-based transport transcription by RNA polymerase II regulation of transcription by RNA polymerase II positive regulation of transcription by RNA polymerase II regulation of localization regulation of protein localization positive regulation of establishment of protein localization regulation of protein targeting to membrane intracellular protein localization regulation of establishment of protein localization regulation of cellular localization regulation of protein targeting macromolecule localization positive regulation of protein targeting to membrane chromatin organization chromatin remodeling	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen membrane cell periphery cell cortex cytoplasm ruffle cell leading edge plasma membrane leading edge membrane plasma membrane bounded cell projection cell projection ruffle membrane plasma membrane region cell projection membrane basal part of cell basal plasma membrane cytosol intracellular vesicle phagocytic vesicle cytoplasmic vesicle vesicle endocytic vesicle apical part of cell cluster of actin-based cell projections brush border membrane microdomain membrane raft stereocilium bundle neuron projection neuron projection membrane stereocilium actin-based cell projection stereocilium membrane protein-containing complex cytoskeleton actin cytoskeleton myosin complex cytoplasmic vesicle membrane vesicle membrane organelle membrane microvillus polymeric cytoskeletal fiber actin filament filamentous actin supramolecular fiber supramolecular polymer supramolecular complex lateral plasma membrane ATPase complex catalytic complex B-WICH complex nuclear protein-containing complex chromatin chromosome SWI/SNF superfamily-type complex nuclear body nucleoplasm
E [auth R]	Calmodulin-1	cytoskeletal protein binding titin binding protein binding binding enzyme regulator activity protein phosphatase activator activity enzyme activator activity phosphatase activator activity molecular function activator activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity enzyme binding adenylate cyclase binding cytoskeletal protein binding titin binding protein binding binding enzyme regulator activity protein phosphatase activator activity enzyme activator activity phosphatase activator activity molecular function activator activity phosphatase regulator activity molecular function regulator activity protein phosphatase regulator activity enzyme binding adenylate cyclase binding phosphatidylinositol 3-kinase binding nitric-oxide synthase regulator activity molecular function inhibitor activity channel regulator activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity ion channel regulator activity calcium channel regulator activity transporter regulator activity channel inhibitor activity cyclase regulator activity cyclase activator activity adenylate cyclase regulator activity adenylate cyclase activator activity protein serine/threonine kinase activator activity kinase activator activity protein kinase activator activity protein kinase regulator activity kinase regulator activity nitric-oxide synthase binding cation binding ion binding calcium ion binding metal ion binding small molecule binding protein domain specific binding signaling receptor binding type 3 metabotropic glutamate receptor binding glutamate receptor binding G protein-coupled receptor binding G protein-coupled glutamate receptor binding transmembrane transporter binding kinase binding protein kinase binding calcium-dependent protein binding	organelle localization by membrane tethering localization organelle localization cellular process membrane docking heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation organelle localization by membrane tethering localization organelle localization cellular process membrane docking heart process multicellular organismal process system process regulation of biological process regulation of heart contraction regulation of system process biological regulation circulatory system process regulation of blood circulation regulation of multicellular organismal process regulation of biological quality heart contraction blood circulation regulation of heart rate regulation of localization regulation of calcium ion transport negative regulation of ion transmembrane transporter activity regulation of cellular process negative regulation of calcium ion transmembrane transporter activity intracellular calcium ion homeostasis negative regulation of biological process negative regulation of ryanodine-sensitive calcium-release channel activity negative regulation of transport calcium ion transport negative regulation of cation transmembrane transport monoatomic cation homeostasis monoatomic cation transport intracellular monoatomic ion homeostasis regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization regulation of cation channel activity inorganic cation transmembrane transport maintenance of location transmembrane transport regulation of molecular function release of sequestered calcium ion into cytosol regulation of transmembrane transport chemical homeostasis negative regulation of calcium ion transmembrane transport cellular localization inorganic ion homeostasis transport negative regulation of cation channel activity homeostatic process negative regulation of monoatomic ion transport monoatomic ion transmembrane transport positive regulation of biological process regulation of transmembrane transporter activity calcium ion homeostasis regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion negative regulation of transmembrane transport metal ion transport regulation of transporter activity maintenance of location in cell regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport positive regulation of sequestering of calcium ion negative regulation of monoatomic ion transmembrane transport negative regulation of release of sequestered calcium ion into cytosol intracellular monoatomic cation homeostasis negative regulation of cellular process monoatomic ion homeostasis monoatomic ion transport intracellular chemical homeostasis regulation of metal ion transport regulation of sequestering of calcium ion positive regulation of cellular process regulation of monoatomic ion transmembrane transporter activity calcium ion transmembrane import into cytosol regulation of transport sequestering of calcium ion negative regulation of transporter activity negative regulation of molecular function negative regulation of calcium ion transport cellular homeostasis regulation of ryanodine-sensitive calcium-release channel activity regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport membrane organization establishment of protein localization establishment of protein localization to mitochondrial membrane establishment of protein localization to membrane localization within membrane mitochondrial membrane organization cellular component organization organelle organization establishment of protein localization to organelle establishment of localization in cell cellular component organization or biogenesis establishment of protein localization to mitochondrion mitochondrion organization sarcoplasmic reticulum calcium ion transport release of sequestered calcium ion into cytosol by sarcoplasmic reticulum release of sequestered calcium ion into cytosol by endoplasmic reticulum regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum cellular component disassembly catabolic process protein-containing complex organization macroautophagy autophagy protein-containing complex disassembly autophagosome maturation autophagosome membrane docking metabolic process process utilizing autophagic mechanism import into cell regulation of cellular component organization synaptic vesicle cycle regulation of synaptic vesicle recycling vesicle-mediated transport presynaptic endocytosis vesicle-mediated transport in synapse synaptic vesicle recycling regulation of synaptic vesicle endocytosis regulation of endocytosis synaptic vesicle endocytosis regulation of vesicle-mediated transport endocytosis cellular response to interferon-beta response to peptide response to interferon-beta response to stimulus response to chemical response to cytokine cellular response to cytokine stimulus response to ketone response to lipid response to endogenous stimulus response to alcohol response to glucocorticoid response to oxygen-containing compound response to corticosterone response to mineralocorticoid response to corticosteroid response to hormone response to steroid hormone regulation of cytokinesis regulation of cell cycle process cytokinesis regulation of cell division cell division cell cycle regulation of cell cycle cell cycle process mitochondrion-endoplasmic reticulum membrane tethering cell cycle G2/M phase transition mitotic cell cycle process G2/M transition of mitotic cell cycle cell cycle phase transition mitotic cell cycle mitotic cell cycle phase transition regulated exocytosis modulation of chemical synaptic transmission signaling synaptic vesicle exocytosis cell communication regulation of regulated secretory pathway synaptic signaling regulation of secretion by cell secretion by cell signal release trans-synaptic signaling regulation of signaling neurotransmitter secretion secretion regulation of neurotransmitter transport regulation of synaptic vesicle exocytosis export from cell cell-cell signaling neurotransmitter transport regulation of secretion chemical synaptic transmission signal release from synapse regulation of trans-synaptic signaling exocytosis regulation of neurotransmitter secretion anterograde trans-synaptic signaling regulation of exocytosis regulation of cell communication regulation of cardiac muscle contraction cardiac muscle contraction muscle contraction muscle system process regulation of muscle system process striated muscle contraction regulation of striated muscle contraction regulation of muscle contraction biological process involved in interspecies interaction between organisms immune response response to other organism defense response response to type II interferon defense response to symbiont response to external stimulus cellular response to type II interferon response to biotic stimulus immune system process defense response to other organism response to stress innate immune response response to external biotic stimulus cellular response to stimulus intracellular signal transduction calcium-mediated signaling intracellular signaling cassette signal transduction calcineurin-mediated signaling positive regulation of cell communication cell surface receptor signaling pathway via STAT positive regulation of signal transduction positive regulation of receptor signaling pathway via STAT regulation of signal transduction positive regulation of receptor signaling pathway via JAK-STAT positive regulation of response to stimulus regulation of receptor signaling pathway via JAK-STAT cell surface receptor signaling pathway regulation of response to stimulus regulation of receptor signaling pathway via STAT cell surface receptor signaling pathway via JAK-STAT positive regulation of signaling regulation of action potential regulation of cardiac muscle cell action potential action potential cardiac muscle cell action potential regulation of membrane potential response to amine response to nitrogen compound response to amphetamine detection of stimulus response to metal ion detection of chemical stimulus detection of calcium ion response to calcium ion	intracellular organelle cellular anatomical structure intracellular anatomical structure cytoskeleton spindle organelle membraneless organelle intracellular membraneless organelle spindle pole microtubule cytoskeleton membrane-bounded organelle mitochondrial membrane mitochondrion membrane intracellular organelle cellular anatomical structure intracellular anatomical structure cytoskeleton spindle organelle membraneless organelle intracellular membraneless organelle spindle pole microtubule cytoskeleton membrane-bounded organelle mitochondrial membrane mitochondrion membrane intracellular membrane-bounded organelle organelle envelope mitochondrial envelope cytoplasm organelle membrane cytosol cell projection sperm midpiece cilium 9+2 motile cilium sperm flagellum motile cilium plasma membrane bounded cell projection protein-containing complex transmembrane transporter complex membrane protein complex cation channel complex transporter complex calcium channel complex monoatomic ion channel complex axon synapse neuron projection axon terminus presynapse distal axon calyx of Held cell junction neuron projection terminus sarcomere contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex intracellular vesicle transport vesicle membrane endomembrane system bounding membrane of organelle cytoplasmic vesicle vesicle membrane synaptic vesicle synaptic vesicle membrane vesicle transport vesicle exocytic vesicle membrane cytoplasmic vesicle membrane secretory vesicle exocytic vesicle myelin sheath centrosome microtubule organizing center cytosolic region presynaptic cytosol catalytic complex growth cone site of polarized growth nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen voltage-gated potassium channel complex plasma membrane protein complex plasma membrane potassium channel complex cell periphery Schaffer collateral - CA1 synapse polymeric cytoskeletal fiber spindle microtubule microtubule postsynapse postsynaptic cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth C], C [auth D]	IPR020902	Actin/actin-like conserved site	Conserved Site
A [auth B], B [auth C], C [auth D]	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
A [auth B], B [auth C], C [auth D]	IPR004001	Actin, conserved site	Conserved Site
A [auth B], B [auth C], C [auth D]	IPR004000	Actin family	Family
D [auth P]	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
D [auth P]	IPR001609	Myosin head, motor domain-like	Domain
D [auth P]	IPR010926	Class I myosin tail homology domain	Domain
D [auth P]	IPR000048	IQ motif, EF-hand binding site	Binding Site
D [auth P]	IPR036072	Class I myosin, motor domain	Domain
D [auth P]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
E [auth R]	IPR002048	EF-hand domain	Domain
E [auth R]	IPR050230	Calmodulin/Myosin light chain/Troponin C-like	Family
E [auth R]	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
E [auth R]	IPR011992	EF-hand domain pair	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.