Annotations: 8ZB7

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
G [auth O], H [auth P], O [auth L], P [auth N]	PF00261	Tropomyosin (Tropomyosin)	Tropomyosin	-	Coiled-coil
B, C, D, E, F, B, C, D, E, F, N [auth A]	PF00022	Actin (Actin)	Actin	-	Family
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	PF02736	Myosin N-terminal SH3-like domain (Myosin_N)	Myosin N-terminal SH3-like domain	This domain has an SH3-like fold. It is found at the N-terminus of many but not all myosins. The function of this domain is unknown.	Domain
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	PF00063	Myosin head (motor domain) (Myosin_head)	Myosin head (motor domain)		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
G [auth O], H [auth P], O [auth L], P [auth N]	Tropomyosin alpha-1 chain	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding structural molecule activity structural constituent of muscle protein heterodimerization activity protein dimerization activity identical protein binding protein homodimerization activity structural constituent of cytoskeleton	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 heart contraction blood circulation regulation of muscle contraction muscle contraction 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 heart contraction blood circulation regulation of muscle contraction muscle contraction regulation of muscle system process muscle system process regulation of vascular associated smooth muscle cell migration negative regulation of locomotion vascular associated smooth muscle cell migration regulation of cell motility regulation of cellular process negative regulation of vascular associated smooth muscle cell migration regulation of smooth muscle cell migration negative regulation of biological process smooth muscle cell migration muscle cell migration negative regulation of smooth muscle cell migration regulation of locomotion regulation of cell migration negative regulation of cellular process negative regulation of cell motility cell migration cellular process cell motility locomotion negative regulation of cell migration muscle filament sliding actin filament-based process actin-mediated cell contraction actin filament-based movement actin-myosin filament sliding developmental process regulation of developmental process regulation of cell shape cell morphogenesis regulation of cell morphogenesis anatomical structure morphogenesis anatomical structure development regulation of biological quality regulation of anatomical structure morphogenesis cell adhesion positive regulation of cell adhesion regulation of cell adhesion positive regulation of biological process positive regulation of cellular process cellular component organization organelle organization cellular component organization or biogenesis cytoskeleton organization cellular response to stimulus response to stimulus cellular response to oxidative stress response to oxygen-containing compound cellular response to chemical stress cellular response to oxygen-containing compound response to reactive oxygen species cellular response to reactive oxygen species response to oxidative stress cellular response to chemical stimulus cellular response to stress response to stress response to chemical wound healing response to wounding plasma membrane bounded cell projection organization ruffle organization cell projection organization cardiac muscle contraction striated muscle contraction actin cytoskeleton organization actin filament organization supramolecular fiber organization ventricular cardiac muscle tissue morphogenesis heart morphogenesis striated muscle tissue development muscle structure development multicellular organism development ventricular cardiac muscle tissue development cardiac chamber development animal organ morphogenesis muscle tissue development muscle organ development system development heart development cardiac chamber morphogenesis cardiac muscle tissue development animal organ development tissue development muscle tissue morphogenesis circulatory system development tissue morphogenesis cardiac ventricle morphogenesis cardiac muscle tissue morphogenesis cardiac ventricle development muscle organ morphogenesis positive regulation of organelle organization regulation of cytoskeleton organization regulation of cellular component organization regulation of actin filament-based process positive regulation of cellular component organization regulation of actin filament bundle assembly cellular component biogenesis cellular component assembly positive regulation of actin filament bundle assembly actin filament bundle organization positive regulation of stress fiber assembly stress fiber assembly regulation of actin filament organization actomyosin structure organization positive regulation of cellular component biogenesis positive regulation of cytoskeleton organization regulation of cellular component biogenesis positive regulation of supramolecular fiber organization regulation of organelle organization regulation of stress fiber assembly contractile actin filament bundle assembly regulation of actomyosin structure organization regulation of actin cytoskeleton organization actin filament bundle assembly regulation of supramolecular fiber organization cellular developmental process cellular component assembly involved in morphogenesis cell development membraneless organelle assembly muscle cell differentiation striated muscle cell development cellular anatomical entity morphogenesis muscle cell development cell differentiation sarcomere organization organelle assembly myofibril assembly anatomical structure formation involved in morphogenesis striated muscle cell differentiation regulation of vascular associated smooth muscle cell proliferation negative regulation of cell population proliferation cell population proliferation regulation of smooth muscle cell proliferation negative regulation of vascular associated smooth muscle cell proliferation smooth muscle cell proliferation negative regulation of smooth muscle cell proliferation regulation of cell population proliferation muscle cell proliferation vascular associated smooth muscle cell proliferation regulation of systemic arterial blood pressure mediated by a chemical signal positive regulation of blood pressure positive regulation of blood circulation regulation of systemic arterial blood pressure by norepinephrine-epinephrine positive regulation of blood pressure by epinephrine-norepinephrine regulation of heart rate regulation of heart rate by chemical signal regulation of blood pressure positive regulation of heart rate positive regulation of heart rate by epinephrine-norepinephrine positive regulation of heart contraction regulation of systemic arterial blood pressure positive regulation of heart rate by epinephrine positive regulation of multicellular organismal process	ruffle cell leading edge plasma membrane membrane leading edge membrane plasma membrane bounded cell projection cell periphery cell projection cellular anatomical structure ruffle membrane plasma membrane region cell projection membrane intracellular organelle intracellular anatomical structure ruffle cell leading edge plasma membrane membrane leading edge membrane plasma membrane bounded cell projection cell periphery cell projection cellular anatomical structure ruffle membrane plasma membrane region cell projection membrane intracellular organelle intracellular anatomical structure cytoskeleton organelle membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol striated muscle thin filament protein-containing complex myofilament muscle thin filament tropomyosin sarcomere contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex bleb actin filament bundle actomyosin stress fiber contractile actin filament bundle polymeric cytoskeletal fiber actin filament
B, C, D, E, F, B, C, D, E, F, N [auth A]	Actin, alpha cardiac muscle 1	hydrolase activity catalytic activity 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 hydrolase activity catalytic activity 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 protein binding myosin binding polypeptide conformation or assembly isomerase activity isomerase activity cytoskeletal motor activity microfilament motor activity macromolecular conformation isomerase activity ATP-dependent activity	response to stimulus response to chemical response to xenobiotic stimulus 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 response to stimulus response to chemical response to xenobiotic stimulus 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 heart development cardiac muscle tissue development heart morphogenesis muscle tissue morphogenesis striated muscle tissue development circulatory system development muscle structure development multicellular organism development cardiac muscle tissue morphogenesis muscle organ development muscle tissue development muscle organ morphogenesis system development regulation of biological process regulation of cellular process negative regulation of programmed cell death regulation of apoptotic process biological regulation negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process cellular process apoptotic process programmed cell death regulation of biosynthetic process 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 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 striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation 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 striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization response to alcohol response to oxygen-containing compound response to ethanol actin-mediated cell contraction actin filament-based movement actin-myosin filament sliding heart process system process circulatory system process heart contraction blood circulation cardiac muscle contraction muscle contraction muscle system process striated muscle contraction cardiac muscle cell development cardiac cell development cardiac muscle cell differentiation cardiocyte differentiation cardiac myofibril assembly	cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle cellular anatomical structure anchoring junction cell junction focal adhesion cell-substrate junction cell projection cell leading edge plasma membrane bounded cell projection lamellipodium membrane 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 membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol synapse glutamatergic synapse blood microparticle sarcomere contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex polymeric cytoskeletal fiber actin filament cell body I band actin-based cell projection filopodium
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	Myosin-7	cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding cytoskeletal protein binding actin binding protein-containing complex binding protein binding binding actin filament 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 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	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 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 muscle contraction muscle system process striated muscle contraction nucleoside phosphate metabolic process ribose phosphate metabolic process purine nucleoside triphosphate metabolic process ATP metabolic process carbohydrate derivative metabolic process primary metabolic process nucleotide metabolic process purine-containing compound metabolic process nucleobase-containing compound metabolic process purine nucleotide metabolic process ribonucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process purine ribonucleoside triphosphate metabolic process phosphate-containing compound metabolic process metabolic process cellular process small molecule metabolic process nucleoside triphosphate metabolic process purine ribonucleotide metabolic process phosphorus metabolic process regulation of the force of heart contraction regulation of muscle adaptation striated muscle adaptation response to stimulus transition between fast and slow fiber regulation of skeletal muscle adaptation regulation of muscle system process muscle adaptation regulation of response to stimulus skeletal muscle adaptation slow-twitch skeletal muscle fiber contraction twitch skeletal muscle contraction multicellular organismal movement musculoskeletal movement regulation of twitch skeletal muscle contraction regulation of skeletal muscle contraction regulation of slow-twitch skeletal muscle fiber contraction nervous system process neuromuscular process skeletal muscle contraction voluntary skeletal muscle contraction regulation of striated muscle contraction regulation of muscle contraction muscle filament sliding actin filament-based process actin-mediated cell contraction actin filament-based movement actin-myosin filament sliding cardiac muscle contraction developmental process heart development multicellular organism development anatomical structure development animal organ development adult heart development circulatory system development system development ventricular cardiac muscle tissue morphogenesis heart morphogenesis striated muscle tissue development muscle structure development ventricular cardiac muscle tissue development cardiac chamber development animal organ morphogenesis muscle tissue development muscle organ development cardiac chamber morphogenesis cardiac muscle tissue development tissue development muscle tissue morphogenesis anatomical structure morphogenesis tissue morphogenesis cardiac ventricle morphogenesis cardiac muscle tissue morphogenesis cardiac ventricle development muscle organ morphogenesis regulation of the force of skeletal muscle contraction regulation of skeletal muscle contraction by chemo-mechanical energy conversion muscle hypertrophy striated muscle hypertrophy cardiac muscle adaptation response to stress cardiac muscle hypertrophy cardiac muscle hypertrophy in response to stress muscle hypertrophy in response to stress	intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer intracellular anatomical structure intracellular membraneless organelle Z disc sarcomere intracellular organelle I band cellular anatomical structure organelle membraneless organelle contractile muscle fiber cytoplasm supramolecular fiber myofibril supramolecular polymer supramolecular complex protein-containing complex actin cytoskeleton myosin complex cytoskeleton myosin II complex muscle myosin complex myosin filament actin filament bundle actomyosin stress fiber contractile actin filament bundle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
G [auth O], H [auth P], O [auth L], P [auth N]	IPR000533	Tropomyosin	Family
B, C, D, E, F, B, C, D, E, F, N [auth A]	IPR020902	Actin/actin-like conserved site	Conserved Site
B, C, D, E, F, B, C, D, E, F, N [auth A]	IPR043129	ATPase, nucleotide binding domain	Homologous Superfamily
B, C, D, E, F, B, C, D, E, F, N [auth A]	IPR004001	Actin, conserved site	Conserved Site
B, C, D, E, F, B, C, D, E, F, N [auth A]	IPR004000	Actin family	Family
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	IPR036961	Kinesin motor domain superfamily	Homologous Superfamily
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	IPR001609	Myosin head, motor domain-like	Domain
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	IPR000048	IQ motif, EF-hand binding site	Binding Site
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	IPR004009	Myosin, SH3 domain	Domain
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	IPR014751	DNA repair protein XRCC4-like, C-terminal	Homologous Superfamily
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	IPR002928	Myosin tail	Domain
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	IPR008989	Myosin S1 fragment, N-terminal	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
G [auth O], H [auth P], O [auth L], P [auth N]	Pharos: P09493	hypertrophic cardiomyopathy 3 left ventricular noncompaction hypertrophic cardiomyopathy dilated cardiomyopathy dilated cardiomyopathy 1Y esophageal squamous cell carcinoma keloid Liver Cirrhosis, Experimental esophageal cancer hypertensive disorder cardiomyopathy familial hypertrophic cardiomyopathy gastric carcinoma acute myeloid leukemia breast cancer hypertrophic cardiomyopathy 3 left ventricular noncompaction hypertrophic cardiomyopathy dilated cardiomyopathy dilated cardiomyopathy 1Y esophageal squamous cell carcinoma keloid Liver Cirrhosis, Experimental esophageal cancer hypertensive disorder cardiomyopathy familial hypertrophic cardiomyopathy gastric carcinoma acute myeloid leukemia breast cancer malignant mesothelioma myopathy ovarian cancer psoriasis Emery-Dreifuss muscular dystrophy exocrine pancreatic carcinoma familial isolated dilated cardiomyopathy glioblastoma large cell medulloblastoma atopic eczema breast fibroadenoma malignant pancreatic neoplasm neoplasm of esophagus cystic fibrosis pancreatic ductal adenocarcinoma familial dilated cardiomyopathy gastric cancer atypical teratoid rhabdoid tumor malignant colon neoplasm medulloblastoma Charcot-Marie-Tooth disease dermatomyositis pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Duchenne muscular dystrophy
B, C, D, E, F, B, C, D, E, F, N [auth A]	Pharos: P68032	atrial septal defect 5 hypertrophic cardiomyopathy 11 left ventricular noncompaction dilated cardiomyopathy hypertrophic cardiomyopathy dilated cardiomyopathy 1R cardiomyopathy gastric cancer large cell medulloblastoma limb-girdle muscular dystrophy Ametropia medulloblastoma psoriasis restrictive cardiomyopathy dilated cardiomyopathy 1A atrial septal defect 5 hypertrophic cardiomyopathy 11 left ventricular noncompaction dilated cardiomyopathy hypertrophic cardiomyopathy dilated cardiomyopathy 1R cardiomyopathy gastric cancer large cell medulloblastoma limb-girdle muscular dystrophy Ametropia medulloblastoma psoriasis restrictive cardiomyopathy dilated cardiomyopathy 1A Emery-Dreifuss muscular dystrophy familial hypertrophic cardiomyopathy gastric neoplasm malignant glioma amyotrophic lateral sclerosis myopathy Becker muscular dystrophy precancerous condition refractive error facioscapulohumeral muscular dystrophy familial isolated dilated cardiomyopathy hereditary diffuse gastric adenocarcinoma juvenile dermatomyositis atrial septal defect osteosarcoma Charcot-Marie-Tooth disease Duchenne muscular dystrophy familial dilated cardiomyopathy
A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], A [auth M], I [auth G], J [auth H], K [auth I], L [auth J], M [auth K]	Pharos: P12883	myopathy, myosin storage, autosomal dominant dilated cardiomyopathy myopathy, myosin storage, autosomal recessive hypertrophic cardiomyopathy left ventricular noncompaction congenital fiber-type disproportion myopathy dilated cardiomyopathy 1S MYH7-related skeletal myopathy distal myopathy Ebstein anomaly hypertrophic cardiomyopathy 1 cardiomyopathy myocardial infarction tibial muscular dystrophy congenital structural myopathy myopathy, myosin storage, autosomal dominant dilated cardiomyopathy myopathy, myosin storage, autosomal recessive hypertrophic cardiomyopathy left ventricular noncompaction congenital fiber-type disproportion myopathy dilated cardiomyopathy 1S MYH7-related skeletal myopathy distal myopathy Ebstein anomaly hypertrophic cardiomyopathy 1 cardiomyopathy myocardial infarction tibial muscular dystrophy congenital structural myopathy atrial fibrillation MYH7-related late-onset scapuloperoneal muscular dystrophy centronuclear myopathy coronary stenosis familial dilated cardiomyopathy heart disease arthrogryposis LEFT VENTRICULAR NONCOMPACTION 5 autosomal dominant centronuclear myopathy Charcot-Marie-Tooth disease scapuloperoneal myopathy familial hypertrophic cardiomyopathy hyaline body myopathy malignant ependymoma psoriasis X-linked centronuclear myopathy dilated cardiomyopathy 1A familial isolated dilated cardiomyopathy autosomal recessive centronuclear myopathy myopathy myotonia congenita restrictive cardiomyopathy tubular aggregate myopathy X-linked Emery-Dreifuss muscular dystrophy

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.