4BYF

Crystal structure of human Myosin 1c in complex with calmodulin in the pre-power stroke state

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d4byfb_	All alpha proteins	EF Hand-like	EF-hand	Calmodulin-like	Calmodulin	HUMAN (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d4byfd_	All alpha proteins	EF Hand-like	EF-hand	Calmodulin-like	Calmodulin	HUMAN (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	EF-hand	8033438	3001983	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	EF-hand	8033438	3001983	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	Myosin_head	e4byfA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Myosin_head	ECOD (1.6)
C	Myosin_head	e4byfC1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Myosin_head	ECOD (1.6)
B	EF-hand_7_8	e4byfB1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_8	ECOD (1.6)
B	EF-hand_7_5	e4byfB2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_5	ECOD (1.6)
D	EF-hand_7_8	e4byfD2	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_8	ECOD (1.6)
D	EF-hand_7_5	e4byfD1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: EF-hand_7_5	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C	PF00612	IQ calmodulin-binding motif (IQ)	IQ calmodulin-binding motif	-	Motif
A, C	PF00063	Myosin head (motor domain) (Myosin_head)	Myosin head (motor domain)	-	Domain
B, D	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, C	UNCONVENTIONAL MYOSIN-IC	small GTPase binding protein binding binding enzyme binding GTPase binding cytoskeletal protein binding actin binding protein-containing complex binding actin filament binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding small GTPase binding protein binding binding enzyme binding GTPase binding cytoskeletal protein binding actin binding protein-containing complex binding actin filament binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding calmodulin binding signaling receptor binding cytoskeletal motor activity microfilament motor 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 protein localization establishment of protein localization cellular localization establishment of protein localization to membrane protein targeting localization within membrane protein localization to membrane establishment of localization protein targeting to membrane localization cellular macromolecule localization macromolecule localization cellular component organization organelle organization actin cytoskeleton organization actin filament organization actin filament-based process cellular component organization or biogenesis supramolecular fiber organization cytoskeleton organization positive regulation of DNA-templated transcription cellular biosynthetic process positive regulation of biological process RNA metabolic process positive regulation of cellular 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 transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process cellular metabolic process primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic 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 cellular biosynthetic process actin filament-based movement regulation of localization regulation of protein localization positive regulation of establishment of protein localization regulation of protein targeting to membrane regulation of protein localization to membrane regulation of establishment of protein localization positive regulation of protein localization to membrane regulation of cellular localization regulation of protein targeting positive regulation of protein localization positive regulation of protein targeting to membrane import into cell transport endocytosis vesicle-mediated transport cellular response to nitrogen compound response to peptide hormone regulation of cellular response to insulin stimulus positive regulation of response to stimulus response to hormone 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 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 biogenesis regulation of cell junction assembly cell junction organization cellular component assembly cell junction assembly tight junction assembly 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 transcription by RNA polymerase I positive regulation of transcription by RNA polymerase I regulation of transcription by RNA polymerase I 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 establishment of vesicle localization intracellular transport organelle localization establishment of localization in cell cytoskeleton-dependent intracellular transport actin filament-based transport chromatin organization chromatin remodeling	membrane cellular anatomical entity extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoskeleton membrane cellular anatomical entity extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular organelle intracellular anatomical structure cytoskeleton intracellular non-membrane-bounded organelle actin cytoskeleton non-membrane-bounded organelle cytoplasm cytosol cluster of actin-based cell projections brush border cell leading edge plasma membrane stereocilium bundle neuron projection leading edge membrane plasma membrane bounded cell projection neuron projection membrane cell periphery cell projection stereocilium actin-based cell projection plasma membrane region stereocilium membrane cell projection membrane protein-containing complex myosin complex unconventional myosin complex microvillus polymeric cytoskeletal fiber actin filament filamentous actin supramolecular fiber supramolecular polymer supramolecular complex nucleus membrane-enclosed lumen intracellular membrane-bounded organelle nucleolus intracellular organelle lumen organelle lumen nuclear lumen cell cortex ruffle ruffle membrane basal part of cell basal plasma membrane intracellular vesicle phagocytic vesicle cytoplasmic vesicle endocytic vesicle membrane microdomain membrane raft nucleoplasm cytoplasmic vesicle membrane vesicle membrane organelle membrane lateral plasma membrane ATPase complex catalytic complex B-WICH complex nuclear protein-containing complex chromatin chromosome SWI/SNF superfamily-type complex nuclear body
B, D	CALMODULIN	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 molecular function inhibitor activity channel regulator activity 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 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 cation binding ion binding calcium ion binding metal ion binding small molecule binding transmembrane transporter binding kinase binding enzyme 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 calcium ion transmembrane transporter activity regulation of calcium ion transport regulation of localization regulation of cellular process negative regulation of ion transmembrane transporter activity 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 monoatomic ion transmembrane transport negative regulation of monoatomic ion 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 metal ion transport negative regulation of transmembrane 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 response to stimulus response to metal ion response to chemical response to calcium ion 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 negative regulation of voltage-gated calcium channel activity regulation of voltage-gated calcium channel activity negative regulation of high voltage-gated calcium channel activity regulation of high voltage-gated calcium channel activity cellular component disassembly catabolic process macroautophagy protein-containing complex organization cellular metabolic process autophagy protein-containing complex disassembly cellular catabolic process cellular component organization autophagosome maturation autophagosome membrane docking metabolic process cellular component organization or biogenesis process utilizing autophagic mechanism cellular response to interferon-beta response to peptide response to interferon-beta response to cytokine cellular response to cytokine stimulus regulation of cytokinesis regulation of cell cycle process cytokinesis regulation of cell division cell division cell cycle regulation of cell cycle cell cycle process positive regulation of molecular function positive regulation of hydrolase activity positive regulation of cyclic-nucleotide phosphodiesterase activity regulation of catalytic activity regulation of hydrolase activity positive regulation of catalytic activity regulation of cyclic-nucleotide phosphodiesterase activity cellular response to stimulus cardiac muscle contraction intracellular signal transduction cell communication intracellular signaling cassette signal transduction regulation of cardiac muscle contraction muscle contraction regulation of striated muscle contraction calcium-mediated signaling regulation of muscle contraction signaling regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion striated muscle contraction regulation of cardiac muscle contraction by calcium ion signaling muscle system process regulation of muscle system process mitochondrion-endoplasmic reticulum membrane tethering positive regulation of phosphorylation regulation of transferase activity positive regulation of phosphate metabolic process regulation of primary metabolic process positive regulation of protein serine/threonine kinase activity positive regulation of metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process positive regulation of macromolecule metabolic process phosphorus metabolic process protein modification process positive regulation of protein phosphorylation protein phosphorylation positive regulation of phosphorus metabolic process phosphorylation regulation of protein metabolic process regulation of cellular metabolic process primary metabolic process positive regulation of kinase activity regulation of kinase activity macromolecule modification regulation of protein serine/threonine kinase activity regulation of phosphorus metabolic process macromolecule metabolic process regulation of metabolic process regulation of protein modification process regulation of protein phosphorylation positive regulation of protein metabolic process positive regulation of cellular metabolic process positive regulation of protein modification process protein metabolic process positive regulation of protein kinase activity positive regulation of transferase activity regulation of protein kinase activity regulation of macromolecule metabolic process regulation of phosphorylation 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 regulation of peptidyl-threonine phosphorylation negative regulation of phosphate metabolic process negative regulation of cellular metabolic process negative regulation of protein modification process peptidyl-amino acid modification peptidyl-threonine modification negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of metabolic process negative regulation of protein phosphorylation negative regulation of peptidyl-threonine phosphorylation negative regulation of phosphorus metabolic process negative regulation of phosphorylation peptidyl-threonine phosphorylation positive regulation of peptidyl-threonine phosphorylation cell communication by electrical coupling involved in cardiac conduction cell communication by electrical coupling regulation of cell communication by electrical coupling involved in cardiac conduction cardiac conduction regulation of cell communication cell communication involved in cardiac conduction regulation of cell communication by electrical coupling export across plasma membrane negative regulation of calcium ion export across plasma membrane regulation of calcium ion export across plasma membrane calcium ion export across plasma membrane export from cell 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 positive regulation of cation transmembrane transport positive regulation of calcium ion transport positive regulation of monoatomic ion transport positive regulation of monoatomic ion transmembrane transport positive regulation of cation channel activity positive regulation of calcium ion transmembrane transporter activity positive regulation of calcium ion transmembrane transport positive regulation of transmembrane transport positive regulation of release of sequestered calcium ion into cytosol positive regulation of ryanodine-sensitive calcium-release channel activity positive regulation of transport positive regulation of transporter activity positive regulation of ion transmembrane transporter activity developmental process head development animal organ development brain development nervous system development substantia nigra development multicellular organism development central nervous system development midbrain development anatomical structure development neural nucleus development system development 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 regulation of signaling 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 intracellular signal transduction regulation of calcium-mediated signaling regulation of action potential regulation of cardiac muscle cell action potential action potential cardiac muscle cell action potential regulation of membrane potential G protein-coupled receptor signaling pathway protein autophosphorylation regulation of protein autophosphorylation positive regulation of protein autophosphorylation detection of stimulus detection of chemical stimulus detection of calcium ion	intracellular organelle intracellular anatomical structure cytoskeleton spindle organelle intracellular non-membrane-bounded organelle spindle pole cellular anatomical entity microtubule cytoskeleton non-membrane-bounded organelle cytoplasm cytosol membrane-bounded organelle cell projection intracellular organelle intracellular anatomical structure cytoskeleton spindle organelle intracellular non-membrane-bounded organelle spindle pole cellular anatomical entity microtubule cytoskeleton non-membrane-bounded organelle cytoplasm cytosol membrane-bounded organelle 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 membrane protein complex cation channel complex transporter complex calcium channel complex monoatomic ion channel complex sarcomere contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex myelin sheath vesicle centrosome microtubule organizing center cell periphery plasma membrane catalytic complex nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen voltage-gated potassium channel complex plasma membrane protein complex potassium channel complex extracellular region polymeric cytoskeletal fiber spindle microtubule microtubule

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C	IPR000048	IQ motif, EF-hand binding site	Binding Site
A, C	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, C	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
A, C	IPR001609	Myosin head, motor domain-like	Domain
A, C	IPR010926	Class I myosin tail homology domain	Domain
A, C	IPR036072	Class I myosin, motor domain	Domain
B, D	IPR050145	Centrin/CML-like	Family
B, D	IPR002048	EF-hand domain	Domain
B, D	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
B, D	IPR011992	EF-hand domain pair	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, C	Pharos: O00159	atrial fibrillation Liver Cirrhosis, Experimental astrocytic tumor autosomal dominant nonsyndromic deafness 1 invasive ductal breast carcinoma malignant ependymoma oligodendroglioma pancreatic ductal adenocarcinoma breast carcinoma MALT lymphoma osteosarcoma atypical teratoid rhabdoid tumor ductal breast carcinoma in situ lung carcinoma non-small cell lung carcinoma atrial fibrillation Liver Cirrhosis, Experimental astrocytic tumor autosomal dominant nonsyndromic deafness 1 invasive ductal breast carcinoma malignant ependymoma oligodendroglioma pancreatic ductal adenocarcinoma breast carcinoma MALT lymphoma osteosarcoma atypical teratoid rhabdoid tumor ductal breast carcinoma in situ lung carcinoma non-small cell lung carcinoma ovarian cancer
B, D	Pharos: P0DP23	long QT syndrome catecholaminergic polymorphic ventricular tachycardia Alzheimer disease long QT syndrome 14 cocaine abuse Weight Gain cannabis dependence cocaine dependence phencyclidine abuse catecholaminergic polymorphic ventricular tachycardia 4 rheumatoid arthritis subependymal giant cell astrocytoma glioblastoma large cell medulloblastoma lung adenocarcinoma long QT syndrome catecholaminergic polymorphic ventricular tachycardia Alzheimer disease long QT syndrome 14 cocaine abuse Weight Gain cannabis dependence cocaine dependence phencyclidine abuse catecholaminergic polymorphic ventricular tachycardia 4 rheumatoid arthritis subependymal giant cell astrocytoma glioblastoma large cell medulloblastoma lung adenocarcinoma malignant colon neoplasm malignant pancreatic neoplasm myopathy astrocytic tumor osteosarcoma pituitary cancer primitive neuroectodermal tumor Crohn disease schizophrenia familial long QT syndrome lung cancer malignant ependymoma nasopharyngeal carcinoma atypical teratoid rhabdoid tumor ovarian cancer Pick disease catecholaminergic polymorphic ventricular tachycardia 2 plasma cell myeloma psoriasis exocrine pancreatic carcinoma sinusitis ulcerative colitis hepatocellular carcinoma lymphoplasmacytic lymphoma malignant glioma medulloblastoma amyotrophic lateral sclerosis oligodendroglioma breast cancer pilocytic astrocytoma

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.