AF_AFQ14643F3

Computed structure model of Inositol 1,4,5-trisphosphate-gated calcium channel ITPR1

External Resource: Annotation

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Inositol 1,4,5-trisphosphate-gated calcium channel ITPR1	ion binding binding anion binding phosphatidylinositol binding small molecule binding calcium channel activity monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly gated calcium channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity ion binding binding anion binding phosphatidylinositol binding small molecule binding calcium channel activity monoatomic cation transmembrane transporter activity intracellularly ligand-gated monoatomic ion channel activity gated channel activity monoatomic ion channel activity intracellularly gated calcium channel activity ligand-gated channel activity ligand-gated monoatomic ion channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity channel activity ligand-gated calcium channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity ligand-gated monoatomic cation channel activity transmembrane transporter activity adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding inositol 1,4,5-trisphosphate receptor activity involved in regulation of postsynaptic cytosolic calcium levels inositol 1,4,5-trisphosphate-gated calcium channel activity molecular function inhibitor activity channel regulator activity transporter inhibitor activity calcium channel inhibitor activity ion channel inhibitor activity ion channel regulator activity molecular function regulator activity calcium channel regulator activity transporter regulator activity channel inhibitor activity cation binding calcium ion binding metal ion binding protein binding protein domain specific binding identical protein binding protein homodimerization activity protein dimerization activity alcohol binding inositol 1,4,5 trisphosphate binding	inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis endoplasmic reticulum calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of biological process positive regulation of programmed cell death inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process calcium ion homeostasis endoplasmic reticulum calcium ion homeostasis cellular homeostasis chemical homeostasis intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of biological process positive regulation of programmed cell death regulation of cellular process regulation of apoptotic process biological regulation positive regulation of biological process regulation of programmed cell death cell death positive regulation of apoptotic process cellular process apoptotic process programmed cell death positive regulation of cellular process sexual reproduction reproductive process fertilization single fertilization regulation of cytosolic calcium ion concentration release of sequestered calcium ion into cytosol by endoplasmic reticulum calcium ion transmembrane import into cytosol transport monoatomic ion transmembrane transport establishment of localization calcium ion transport metal ion transport monoatomic cation transmembrane transport transmembrane transport release of sequestered calcium ion into cytosol localization intercellular transport monoatomic ion transport monoatomic cation transport calcium ion transmembrane transport developmental process anatomical structure morphogenesis anatomical structure development cell morphogenesis response to decreased oxygen levels response to stimulus response to hypoxia response to stress response to oxygen levels response to abiotic stimulus mitochondrial calcium ion transmembrane transport calcium import into the mitochondrion voluntary musculoskeletal movement multicellular organismal movement musculoskeletal movement multicellular organismal process system process nervous system process neuromuscular process cellular response to stimulus cellular response to nitrogen compound signaling cell communication phospholipase C-activating G protein-coupled receptor signaling pathway synaptic signaling phospholipase C-activating G protein-coupled acetylcholine receptor signaling pathway signal transduction cellular response to acetylcholine response to oxygen-containing compound cell-cell signaling response to nitrogen compound acetylcholine receptor signaling pathway postsynaptic signal transduction cellular response to oxygen-containing compound cellular response to chemical stimulus G protein-coupled acetylcholine receptor signaling pathway response to chemical response to acetylcholine G protein-coupled receptor signaling pathway protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis epithelial fluid transport transepithelial transport fluid transport regulation of signaling regulation of signal transduction intracellular signal transduction regulation of intracellular signal transduction regulation of response to stimulus calcium-mediated signaling intracellular signaling cassette regulation of calcium-mediated signaling regulation of cell communication intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress apoptotic signaling pathway cellular response to stress intrinsic apoptotic signaling pathway response to endoplasmic reticulum stress negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process negative regulation of cell communication negative regulation of cellular process negative regulation of response to stimulus negative regulation of calcium-mediated signaling negative regulation of signal transduction catabolic process autophagy regulation of catabolic process regulation of autophagy metabolic process process utilizing autophagic mechanism regulation of metabolic process positive regulation of cell communication regulation of localization establishment of protein localization nitrogen compound transport positive regulation of establishment of protein localization positive regulation of insulin secretion intracellular protein localization regulation of biological quality regulation of peptide hormone secretion regulation of hormone levels positive regulation of peptide hormone secretion establishment of protein localization to extracellular region protein secretion regulation of protein secretion regulation of secretion positive regulation of protein localization regulation of hormone secretion regulation of protein localization regulation of peptide secretion positive regulation of secretion by cell hormone secretion protein localization to extracellular region positive regulation of protein transport peptide secretion regulation of secretion by cell secretion by cell positive regulation of hormone secretion positive regulation of secretion signal release positive regulation of peptide secretion regulation of transport secretion regulation of peptide transport regulation of establishment of protein localization export from cell regulation of protein transport positive regulation of protein secretion peptide transport positive regulation of transport protein transport regulation of insulin secretion peptide hormone secretion macromolecule localization hormone transport insulin secretion positive regulation of signaling multicellular organism development post-embryonic development ligand-gated ion channel signaling pathway	cellular anatomical structure membrane protein-containing complex TCR signalosome platelet dense granule membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cellular anatomical structure membrane protein-containing complex TCR signalosome platelet dense granule membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle platelet dense granule secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane platelet dense tubular network platelet dense tubular network membrane phosphatase complex catalytic complex calcineurin complex protein serine/threonine phosphatase complex intracellular protein-containing complex perinuclear region of cytoplasm organelle inner membrane nuclear membrane nucleus organelle envelope nuclear inner membrane nuclear envelope sarcoplasm endoplasmic reticulum sarcoplasmic reticulum transport vesicle transport vesicle membrane membrane-enclosed lumen intracellular membraneless organelle nucleolus intracellular organelle lumen organelle lumen membraneless organelle nuclear lumen cell periphery plasma membrane organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum membrane postsynaptic density postsynapse neuron to neuron synapse postsynaptic specialization synapse cell junction asymmetric synapse Schaffer collateral - CA1 synapse

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036300	Mir domain superfamily	Homologous Superfamily
A	IPR000699	RIH domain	Domain
A	IPR016024	Armadillo-type fold	Homologous Superfamily
A	IPR013662	RyR/IP3R Homology associated domain	Domain
A	IPR016093	MIR motif	Domain
A	IPR015925	Ryanodine/Inositol 1,4,5-trisphosphate receptor	Family
A	IPR035910	RyR/IP3 receptor binding core, RIH domain superfamily	Homologous Superfamily
A	IPR014821	Inositol 1,4,5-trisphosphate/ryanodine receptor	Domain
A	IPR000493	Inositol 1,4,5-trisphosphate receptor	Family
A	IPR005821	Ion transport domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: Q14643	aniridia-cerebellar ataxia-intellectual disability syndrome spinocerebellar ataxia type 29 spinocerebellar ataxia type 15/16 autosomal dominant cerebellar ataxia prostate cancer intellectual disability Neurodevelopmental Disorders ulcerative colitis large cell medulloblastoma lung carcinoma malignant ependymoma astrocytic tumor medulloblastoma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm aniridia-cerebellar ataxia-intellectual disability syndrome spinocerebellar ataxia type 29 spinocerebellar ataxia type 15/16 autosomal dominant cerebellar ataxia prostate cancer intellectual disability Neurodevelopmental Disorders ulcerative colitis large cell medulloblastoma lung carcinoma malignant ependymoma astrocytic tumor medulloblastoma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm breast cancer primitive neuroectodermal tumor Charcot-Marie-Tooth disease psoriasis cystic fibrosis drug-induced liver injury uterine corpus leiomyoma lung adenocarcinoma lymphoplasmacytic lymphoma malignant glioma neurodegenerative disease ovarian cancer bipolar disorder Pick disease breast carcinoma spina bifida subependymal giant cell astrocytoma glioblastoma hereditary ataxia lung cancer malignant colon neoplasm malignant mesothelioma atypical teratoid rhabdoid tumor pancreatic intraductal papillary-mucinous carcinoma pilocytic astrocytoma

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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.