Annotations: 12AI

Structure of mammalian Type 2 Inositol 1,4,5-trisphosphate receptor (IP3R2) in the presence of IP3/Ca2+/ATP

External Resource: Annotation

Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Inositol 1,4,5-trisphosphate-gated calcium channel ITPR2	ion binding binding anion binding phosphatidylinositol binding small molecule binding cation binding calcium ion binding metal ion 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 ion binding binding anion binding phosphatidylinositol binding small molecule binding cation binding calcium ion binding metal ion 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 scaffold protein binding protein binding 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 transmembrane transporter binding inositol 1,4,5-trisphosphate-gated calcium channel activity alcohol binding inositol 1,4,5 trisphosphate binding	cellular response to nitrogen compound cellular response to stimulus response to stimulus response to organophosphorus response to oxygen-containing compound response to nitrogen compound response to purine-containing compound response to cAMP cellular response to oxygen-containing compound cellular response to chemical stimulus response to chemical cellular response to cAMP cellular process response to alcohol cellular response to nitrogen compound cellular response to stimulus response to stimulus response to organophosphorus response to oxygen-containing compound response to nitrogen compound response to purine-containing compound response to cAMP cellular response to oxygen-containing compound cellular response to chemical stimulus response to chemical cellular response to cAMP cellular process response to alcohol cellular response to alcohol cellular response to ethanol response to ethanol 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 response to decreased oxygen levels response to hypoxia response to stress response to oxygen levels response to abiotic stimulus	cell periphery cell cortex cellular anatomical structure intracellular anatomical structure cytoplasm membrane-bounded organelle organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system sarcoplasm endoplasmic reticulum subcompartment intracellular organelle bounding membrane of organelle cell periphery cell cortex cellular anatomical structure intracellular anatomical structure cytoplasm membrane-bounded organelle organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system sarcoplasm endoplasmic reticulum subcompartment intracellular organelle bounding membrane of organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum sarcoplasmic reticulum sarcoplasmic reticulum membrane organelle membrane endoplasmic reticulum membrane plasma membrane protein-containing complex signaling receptor complex intracellular vesicle cytoplasmic vesicle membrane vesicle membrane cytoplasmic vesicle secretory granule secretory vesicle vesicle secretory granule membrane axon cell projection neuron projection plasma membrane bounded cell projection transport vesicle transport vesicle membrane

InterPro: Protein Family Classification InterPro Database Homepage

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

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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.

12AI | pdb_000012ai

Structure of mammalian Type 2 Inositol 1,4,5-trisphosphate receptor (IP3R2) in the presence of IP3/Ca2+/ATP

External Resource: Annotation

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage