5KHT | pdb_00005kht

Crystal structure of the N-terminal fragment of tropomyosin isoform Tpm1.1 at 1.5 A resolution

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e5khtB1	A: Four-helical up-and-down bundle	X: Immunoglobulin-related	H: Common fold of diphtheria toxin/transcription factors/cytochrome f	T:	F:	ECOD (20:10:01)
D		e5khtD1	A: Four-helical up-and-down bundle	X: Immunoglobulin-related	H: Common fold of diphtheria toxin/transcription factors/cytochrome f	T:	F:	ECOD (20:10:01)
C		e5khtC1	A: Four-helical up-and-down bundle	X: Immunoglobulin-related	H: Common fold of diphtheria toxin/transcription factors/cytochrome f	T:	F:	ECOD (20:10:01)
A		e5khtA1	A: Four-helical up-and-down bundle	X: Immunoglobulin-related	H: Common fold of diphtheria toxin/transcription factors/cytochrome f	T:	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.5.1160	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Vasodilator-stimulated phosphoprotein	CATH (4.3.0)
D	1.20.5.1160	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Vasodilator-stimulated phosphoprotein	CATH (4.3.0)
C	1.20.5.1160	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Vasodilator-stimulated phosphoprotein	CATH (4.3.0)
A	1.20.5.1160	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Vasodilator-stimulated phosphoprotein	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00261	Tropomyosin (Tropomyosin)	Tropomyosin	-	Coiled-coil

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Tropomyosin alpha-1 chain,General control protein GCN4	TFIID-class transcription factor complex binding transcription factor binding basal transcription machinery binding protein-containing complex binding protein binding binding basal RNA polymerase II transcription machinery binding general transcription initiation factor binding RNA polymerase II general transcription initiation factor binding RNA polymerase II-specific DNA-binding transcription factor binding DNA-binding transcription factor binding DNA binding sequence-specific DNA binding double-stranded DNA binding TFIID-class transcription factor complex binding transcription factor binding basal transcription machinery binding protein-containing complex binding protein binding binding basal RNA polymerase II transcription machinery binding general transcription initiation factor binding RNA polymerase II general transcription initiation factor binding RNA polymerase II-specific DNA-binding transcription factor binding DNA-binding transcription factor binding DNA binding sequence-specific DNA binding double-stranded DNA binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding chromatin binding transcription regulator activity DNA-binding transcription factor activity mediator complex binding DNA-binding transcription factor activity, RNA polymerase II-specific DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity identical protein binding cytoskeletal protein binding actin binding actin filament binding structural molecule activity structural constituent of muscle protein heterodimerization activity protein dimerization activity protein homodimerization activity structural constituent of cytoskeleton	response to nutrient levels response to stimulus response to stress response to amino acid starvation response to starvation cellular response to stimulus cellular response to nutrient levels cellular process positive regulation of cellular response to amino acid starvation regulation of response to nutrient levels regulation of cellular process positive regulation of biological process regulation of cellular response to stress cellular response to amino acid starvation response to nutrient levels response to stimulus response to stress response to amino acid starvation response to starvation cellular response to stimulus cellular response to nutrient levels cellular process positive regulation of cellular response to amino acid starvation regulation of response to nutrient levels regulation of cellular process positive regulation of biological process regulation of cellular response to stress cellular response to amino acid starvation positive regulation of response to stimulus cellular response to stress regulation of response to stress positive regulation of cellular process regulation of biological process biological regulation cellular response to starvation regulation of response to stimulus regulation of cellular response to amino acid starvation positive regulation of response to nutrient levels transcription preinitiation complex assembly positive regulation of macromolecule biosynthetic process regulation of primary metabolic process cellular component biogenesis nucleobase-containing compound metabolic process DNA-templated transcription positive regulation of metabolic process regulation of DNA-templated transcription initiation regulation of RNA metabolic process cellular component assembly transcription by RNA polymerase II positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process transcription initiation at RNA polymerase II promoter regulation of transcription by RNA polymerase II primary metabolic process positive regulation of transcription by RNA polymerase II positive regulation of DNA-templated transcription initiation positive regulation of RNA metabolic process regulation of gene expression biosynthetic process RNA polymerase II preinitiation complex assembly metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process regulation of RNA polymerase II transcription preinitiation complex assembly positive regulation of cellular component organization regulation of cellular component organization positive regulation of DNA-templated transcription RNA metabolic process cellular component organization protein-DNA complex organization RNA biosynthetic process nucleic acid biosynthetic process positive regulation of protein-containing complex assembly regulation of protein-containing complex assembly positive regulation of biosynthetic process protein-containing complex assembly cellular component organization or biogenesis regulation of RNA biosynthetic process regulation of biosynthetic process positive regulation of RNA polymerase II transcription preinitiation complex assembly protein-containing complex organization positive regulation of cellular component biogenesis positive regulation of transcription initiation by RNA polymerase II protein-DNA complex assembly regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression regulation of cellular component biogenesis macromolecule biosynthetic process DNA-templated transcription initiation nucleic acid metabolic process positive regulation of RNA biosynthetic process regulation of transcription initiation by RNA polymerase II localization protein localization to organelle macromolecule localization protein localization to nuclear periphery protein localization to nucleus intracellular protein localization amino acid biosynthetic process amino acid metabolic process signaling signal transduction intracellular signal transduction cell communication negative regulation of biological process negative regulation of RNA biosynthetic process negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process negative regulation of macromolecule metabolic process negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of RNA metabolic process regulation of ribosomal protein gene transcription by RNA polymerase II negative regulation of ribosomal protein gene transcription by RNA polymerase II heart process multicellular organismal process system process regulation of heart contraction regulation of system process 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 negative regulation of vascular associated smooth muscle cell migration regulation of smooth muscle cell migration smooth muscle cell migration muscle cell migration negative regulation of smooth muscle cell migration regulation of locomotion regulation of cell migration negative regulation of cell motility cell migration 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 organelle organization cytoskeleton organization 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 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 actin filament-based process regulation of actin filament bundle 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 cytoskeleton organization 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	RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle ruffle cell leading edge plasma membrane RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle ruffle cell leading edge plasma membrane membrane leading edge membrane plasma membrane bounded cell projection cell periphery cell projection ruffle membrane plasma membrane region cell projection membrane cytoskeleton membraneless organelle intracellular membraneless organelle actin cytoskeleton cytoplasm cytosol striated muscle thin filament 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR004827	Basic-leucine zipper domain	Domain
A, B, C, D	IPR050946	AP-1 Transcription Factor bZIP	Family
A, B, C, D	IPR046347	Basic-leucine zipper domain superfamily	Homologous Superfamily
A, B, C, D	IPR000533	Tropomyosin	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	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

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.