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ITPR1 inositol 1,4,5-trisphosphate receptor type 1 [ Homo sapiens (human) ]

Gene ID: 3708, updated on 22-Sep-2022

Summary

Official Symbol
ITPR1provided by HGNC
Official Full Name
inositol 1,4,5-trisphosphate receptor type 1provided by HGNC
Primary source
HGNC:HGNC:6180
See related
Ensembl:ENSG00000150995 MIM:147265; AllianceGenome:HGNC:6180
Gene type
protein coding
RefSeq status
REVIEWED
Organism
Homo sapiens
Lineage
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
Also known as
ACV; CLA4; IP3R; IP3R1; SCA15; SCA16; SCA29; INSP3R1; PPP1R94
Summary
This gene encodes an intracellular receptor for inositol 1,4,5-trisphosphate. Upon stimulation by inositol 1,4,5-trisphosphate, this receptor mediates calcium release from the endoplasmic reticulum. Mutations in this gene cause spinocerebellar ataxia type 15, a disease associated with an heterogeneous group of cerebellar disorders. Multiple transcript variants have been identified for this gene. [provided by RefSeq, Nov 2009]
Expression
Ubiquitous expression in thyroid (RPKM 15.8), brain (RPKM 10.9) and 22 other tissues See more
Orthologs
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Genomic context

See ITPR1 in Genome Data Viewer
Location:
3p26.1
Exon count:
62
Annotation release Status Assembly Chr Location
110 current GRCh38.p14 (GCF_000001405.40) 3 NC_000003.12 (4493348..4847506)
110 current T2T-CHM13v2.0 (GCF_009914755.1) 3 NC_060927.1 (4487354..4841309)
105.20220307 previous assembly GRCh37.p13 (GCF_000001405.25) 3 NC_000003.11 (4535032..4889190)

Chromosome 3 - NC_000003.12Genomic Context describing neighboring genes Neighboring gene sulfatase modifying factor 1 Neighboring gene uncharacterized LOC124909340 Neighboring gene Sharpr-MPRA regulatory region 12228 Neighboring gene Sharpr-MPRA regulatory region 14798 Neighboring gene ITPR1 divergent transcript Neighboring gene U7 small nuclear RNA Neighboring gene uncharacterized LOC105376933 Neighboring gene uncharacterized LOC124906210 Neighboring gene Sharpr-MPRA regulatory region 7157 Neighboring gene uncharacterized LOC124906209 Neighboring gene eosinophil granule ontogeny transcript Neighboring gene small nucleolar RNA U13 Neighboring gene BHLHE40 antisense RNA 1 Neighboring gene basic helix-loop-helix family member e40

Genomic regions, transcripts, and products

Expression

  • Project title: HPA RNA-seq normal tissues
  • Description: RNA-seq was performed of tissue samples from 95 human individuals representing 27 different tissues in order to determine tissue-specificity of all protein-coding genes
  • BioProject: PRJEB4337
  • Publication: PMID 24309898
  • Analysis date: Wed Apr 4 07:08:55 2018

Bibliography

GeneRIFs: Gene References Into Functions

What's a GeneRIF?

Phenotypes

EBI GWAS Catalog

Description
Genome-wide association studies identify CHRNA5/3 and HTR4 in the development of airflow obstruction.
EBI GWAS Catalog
Large-scale genotyping identifies 41 new loci associated with breast cancer risk.
EBI GWAS Catalog
Novel genetic loci identified for the pathophysiology of childhood obesity in the Hispanic population.
EBI GWAS Catalog

HIV-1 interactions

Protein interactions

Protein Gene Interaction Pubs
Nef nef HIV-1 Nef interacts with inositol 1,4,5-triphosphate receptor (IP3R) to trigger the activation of plasma membrane calcium influx channels PubMed
Pr55(Gag) gag IP3R differentially associates with HIV-1 wild-type Gag and P7L-Gag, indicating that Gag and IP3R are in proximity at the plasma membrane PubMed
gag Inositol (1,4,5)-triphosphate receptor (IP3R) function is required for efficient release of HIV-1 Gag PubMed
gag SPRY-mediated inhibition of HIV-1 Gag release is repressed by IP3R PubMed
Tat tat HIV-1 Tat induces release of calcium from inositol 1,4,5-triphosphate receptor-regulated stores in neurons and astrocytes, an effect that plays an important role in Tat-induced TNF-alpha production PubMed

Go to the HIV-1, Human Interaction Database

Pathways from PubChem

Interactions

Products Interactant Other Gene Complex Source Pubs Description

General gene information

Markers

Homology

Clone Names

  • DKFZp313E1334, DKFZp313N1434

Gene Ontology Provided by GOA

Function Evidence Code Pubs
enables calcium channel inhibitor activity IDA
Inferred from Direct Assay
more info
PubMed 
enables calcium ion binding IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
enables calcium ion transmembrane transporter activity TAS
Traceable Author Statement
more info
PubMed 
enables calcium-release channel activity ISS
Inferred from Sequence or Structural Similarity
more info
 
enables inositol 1,4,5 trisphosphate binding IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
enables inositol 1,4,5-trisphosphate receptor activity involved in regulation of postsynaptic cytosolic calcium levels IEA
Inferred from Electronic Annotation
more info
 
enables inositol 1,4,5-trisphosphate-sensitive calcium-release channel activity IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
enables inositol 1,4,5-trisphosphate-sensitive calcium-release channel activity ISS
Inferred from Sequence or Structural Similarity
more info
 
enables inositol 1,4,5-trisphosphate-sensitive calcium-release channel activity TAS
Traceable Author Statement
more info
PubMed 
enables phosphatidylinositol binding IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
enables phosphatidylinositol binding ISS
Inferred from Sequence or Structural Similarity
more info
 
enables protein binding IPI
Inferred from Physical Interaction
more info
PubMed 
enables protein domain specific binding IEA
Inferred from Electronic Annotation
more info
 
Process Evidence Code Pubs
involved_in calcium ion transport NAS
Non-traceable Author Statement
more info
PubMed 
involved_in cell morphogenesis IEA
Inferred from Electronic Annotation
more info
 
involved_in endoplasmic reticulum calcium ion homeostasis IEA
Inferred from Electronic Annotation
more info
 
involved_in epithelial fluid transport IEA
Inferred from Electronic Annotation
more info
 
involved_in inositol phosphate-mediated signaling IEA
Inferred from Electronic Annotation
more info
 
involved_in intrinsic apoptotic signaling pathway in response to endoplasmic reticulum stress ISS
Inferred from Sequence or Structural Similarity
more info
 
involved_in negative regulation of calcium-mediated signaling IDA
Inferred from Direct Assay
more info
PubMed 
involved_in positive regulation of insulin secretion IEA
Inferred from Electronic Annotation
more info
 
involved_in post-embryonic development IEA
Inferred from Electronic Annotation
more info
 
involved_in regulation of autophagy TAS
Traceable Author Statement
more info
PubMed 
involved_in regulation of postsynaptic cytosolic calcium ion concentration IEA
Inferred from Electronic Annotation
more info
 
involved_in release of sequestered calcium ion into cytosol IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
involved_in release of sequestered calcium ion into cytosol ISS
Inferred from Sequence or Structural Similarity
more info
 
involved_in response to hypoxia IDA
Inferred from Direct Assay
more info
PubMed 
involved_in signal transduction NAS
Non-traceable Author Statement
more info
PubMed 
involved_in voluntary musculoskeletal movement IEA
Inferred from Electronic Annotation
more info
 
Component Evidence Code Pubs
located_in Schaffer collateral - CA1 synapse IEA
Inferred from Electronic Annotation
more info
 
part_of calcineurin complex IEA
Inferred from Electronic Annotation
more info
 
is_active_in cytoplasmic vesicle membrane IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
located_in endoplasmic reticulum ISS
Inferred from Sequence or Structural Similarity
more info
 
located_in endoplasmic reticulum NAS
Non-traceable Author Statement
more info
PubMed 
is_active_in endoplasmic reticulum membrane IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
located_in endoplasmic reticulum membrane TAS
Traceable Author Statement
more info
 
located_in membrane HDA PubMed 
located_in nuclear inner membrane IEA
Inferred from Electronic Annotation
more info
 
located_in nucleolus IEA
Inferred from Electronic Annotation
more info
 
located_in perinuclear region of cytoplasm IEA
Inferred from Electronic Annotation
more info
 
is_active_in plasma membrane IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
located_in platelet dense granule membrane IDA
Inferred from Direct Assay
more info
PubMed 
located_in platelet dense tubular network IDA
Inferred from Direct Assay
more info
PubMed 
located_in platelet dense tubular network membrane TAS
Traceable Author Statement
more info
 
located_in postsynaptic density IEA
Inferred from Electronic Annotation
more info
 
is_active_in sarcoplasmic reticulum IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
is_active_in secretory granule membrane IBA
Inferred from Biological aspect of Ancestor
more info
PubMed 
located_in transport vesicle membrane IEA
Inferred from Electronic Annotation
more info
 

General protein information

Preferred Names
inositol 1,4,5-trisphosphate receptor type 1
Names
IP3 receptor
IP3R 1
inositol 1,4,5-triphosphate receptor, type 1
protein phosphatase 1, regulatory subunit 94
type 1 InsP3 receptor
type 1 inositol 1,4,5-trisphosphate receptor

NCBI Reference Sequences (RefSeq)

NEW Try the new Transcript table

RefSeqs maintained independently of Annotated Genomes

These reference sequences exist independently of genome builds. Explain

These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.

Genomic

  1. NG_016144.2 RefSeqGene

    Range
    5002..359160
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NM_001099952.4NP_001093422.2  inositol 1,4,5-trisphosphate receptor type 1 isoform 1

    Status: REVIEWED

    Description
    Transcript Variant: This variant (1) encodes isoform 1.
    Source sequence(s)
    AC018816, AC024168, AC069248, AC090944
    Consensus CDS
    CCDS46740.2
    UniProtKB/Swiss-Prot
    Q14643
    UniProtKB/TrEMBL
    B4DER3, Q59H91
    Related
    ENSP00000349597.4, ENST00000357086.10
    Conserved Domains (6) summary
    smart00472
    Location:231287
    MIR; Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases
    pfam00520
    Location:23022561
    Ion_trans; Ion transport protein
    pfam01365
    Location:476665
    RYDR_ITPR; RIH domain
    pfam02815
    Location:232433
    MIR; MIR domain
    pfam08454
    Location:19252030
    RIH_assoc; RyR and IP3R Homology associated
    pfam08709
    Location:4225
    Ins145_P3_rec; Inositol 1,4,5-trisphosphate/ryanodine receptor
  2. NM_001168272.2NP_001161744.1  inositol 1,4,5-trisphosphate receptor type 1 isoform 3

    Status: REVIEWED

    Description
    Transcript Variant: This variant (3) lacks an alternate in-frame exon, uses an alternate in-frame splice site and includes three additional exons in the central coding region, compared to variant 1, resulting in an isoform (3) that is longer than isoform 1.
    Source sequence(s)
    AC018816, AC024168, AC069248, AC090944, U23850
    Consensus CDS
    CCDS54551.1
    UniProtKB/Swiss-Prot
    Q14643
    Related
    ENSP00000401671.2, ENST00000443694.5
    Conserved Domains (6) summary
    smart00472
    Location:231287
    MIR; Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases
    pfam00520
    Location:23352594
    Ion_trans; Ion transport protein
    pfam01365
    Location:461650
    RYDR_ITPR; RIH domain
    pfam02815
    Location:232418
    MIR; MIR domain
    pfam08454
    Location:19582063
    RIH_assoc; RyR and IP3R Homology associated
    pfam08709
    Location:4225
    Ins145_P3_rec; Inositol 1,4,5-trisphosphate/ryanodine receptor
  3. NM_001378452.1NP_001365381.1  inositol 1,4,5-trisphosphate receptor type 1 isoform 4

    Status: REVIEWED

    Source sequence(s)
    AC018816, AC024168, AC069248, AC090944
    UniProtKB/Swiss-Prot
    Q99897
    Related
    ENSP00000497605.1, ENST00000649015.2
    Conserved Domains (5) summary
    pfam00520
    Location:23592609
    Ion_trans; Ion transport protein
    pfam01365
    Location:474670
    RYDR_ITPR; RIH domain
    pfam02815
    Location:232433
    MIR; MIR domain
    pfam08454
    Location:19712078
    RIH_assoc; RyR and IP3R Homology associated
    pfam08709
    Location:4229
    Ins145_P3_rec; Inositol 1,4,5-trisphosphate/ryanodine receptor
  4. NM_002222.7NP_002213.5  inositol 1,4,5-trisphosphate receptor type 1 isoform 2

    See identical proteins and their annotated locations for NP_002213.5

    Status: REVIEWED

    Description
    Transcript Variant: This variant (2) lacks an alternate in-frame exon in the central coding region, compared to variant 1, resulting in a shorter isoform (2), compared to isoform 1.
    Source sequence(s)
    AC018816, AC024168, AC069248, AC090944
    Consensus CDS
    CCDS54550.1
    UniProtKB/Swiss-Prot
    Q14643
    UniProtKB/TrEMBL
    B4DER3, B4DGH1, Q59H91
    Related
    ENSP00000397885.2, ENST00000456211.8
    Conserved Domains (6) summary
    smart00472
    Location:231287
    MIR; Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases
    pfam00520
    Location:22872546
    Ion_trans; Ion transport protein
    pfam01365
    Location:461650
    RYDR_ITPR; RIH domain
    pfam02815
    Location:232418
    MIR; MIR domain
    pfam08454
    Location:19102015
    RIH_assoc; RyR and IP3R Homology associated
    pfam08709
    Location:4225
    Ins145_P3_rec; Inositol 1,4,5-trisphosphate/ryanodine receptor

RefSeqs of Annotated Genomes: Homo sapiens Annotation Release 110 details...Open this link in a new tab

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference GRCh38.p14 Primary Assembly

Genomic

  1. NC_000003.12 Reference GRCh38.p14 Primary Assembly

    Range
    4493348..4847506
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

Alternate T2T-CHM13v2.0

Genomic

  1. NC_060927.1 Alternate T2T-CHM13v2.0

    Range
    4487354..4841309
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)