Gene Information
Gene NameITPR1
OrganismHomo sapiens (Human)
Gene Length2758
Protein NamesInositol 1,4,5-trisphosphate receptor type 1 (IP3 receptor isoform 1) (IP3R 1) (InsP3R1) (Type 1 inositol 1,4,5-trisphosphate receptor) (Type 1 InsP3 receptor)
Target Nameip3 receptor isoform 1
Target TypeLiterature-reported target
Gene Age680 ( ENSG00000150995 )
Evolutionary StageOpisthokonta
AlphaFoldDBNA
Gene CardITPR1
Uniprot IDQ14643
PfamPF08709; PF00520; PF02815; PF08454; PF01365
In ASDyes
Allosteric Predictionyes (1.816597176)
Ortholog in AnimalsAlpaca_ ITPR1 ( ortholog_one2one )
Dog_ ITPR1 ( ortholog_one2one )
GuineaPig_ ITPR1 ( ortholog_one2one )
Macaque_ ITPR1 ( ortholog_one2one )
Mouse_ Itpr1 ( ortholog_one2one )
Pig_ ITPR1 ( ortholog_one2one )
Rat_ Itpr1 ( ortholog_one2one )
Rabbit_ ITPR1 ( ortholog_one2one )
OhnologsITPR3, ITPR2
ParalogsRYR2, ITPR2, ITPR3, RYR1, RYR3
TissueNA
Tissue SpecificityWidely expressed. {ECO:0000269|PubMed:7500840}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs397514536  rs35789999  rs121912425  rs3749383  rs397514535  rs752281590  rs878853176  rs878853175 
Subcellular location [CC]Endoplasmic reticulum membrane {ECO:0000305|PubMed:27108798};
Multi-pass membrane protein {ECO:0000255}. Cytoplasmic vesicle, secretory vesicle membrane {ECO:0000250|UniProtKB:Q9TU34};
Multi-pass membrane protein {ECO:0000255}. Cytoplasm, perinuclear region {ECO:0000269|PubMed:27108798}. Note=Endoplasmic reticulum and secretory granules (By similarity). {ECO:0000250|UniProtKB:Q9TU34}.
Mouse PG classificationHPG
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