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Itpr1 Gene Detail
Summary
  • Symbol
    Itpr1
  • Name
    inositol 1,4,5-trisphosphate receptor 1
  • Synonyms
    InsP3R type I, Ip3r, IP3R1, Itpr-1, opt, P400, Pcp-1, Pcp1, wblo
  • Feature Type
    protein coding gene
  • IDs
    MGI:96623
    NCBI Gene: 16438
  • Alliance
    genome feature page
  • Transcription Start Sites
    14 TSS
Location &
Maps
more
  • Sequence Map
    Chr6:108190057-108528070 bp, + strand
    From Ensembl annotation of GRCm39
  • View this region in JBrowse
  • Genome Browsers
    Ensembl | UCSC | NCBI
  • Genetic Map
    Chromosome 6, 49.74 cM
  • Mapping Data
    20 experiments
Strain
Comparison
more
  • SNPs within 2kb
    9948 from dbSNP Build 142
  • Strain Annotations
    19
  • PCR
    2
  • RFLP
    5
For selected strains:
Strain Gene Model ID Feature Type Coordinates Select Strains
C57BL/6J MGI_C57BL6J_96623
 protein coding gene Chr6:108190044-108528077 (+)
129S1/SvImJ ENSMUSG00200023716
 protein coding gene Chr6:105246041-105552578 (+)
A/J ENSMUSG00195015612
 protein coding gene Chr6:104883095-105187577 (+)
AKR/J ENSMUSG00220032208
 protein coding gene Chr6:103792737-104097225 (+)
BALB/cJ ENSMUSG00180002160
 protein coding gene Chr6:105256230-105560701 (+)
C3H/HeJ ENSMUSG00175015760
 protein coding gene Chr6:71843405-72147867 (-)
C57BL/6NJ ENSMUSG00215011610
 protein coding gene Chr6:105283606-105597760 (+)
CAROLI/EiJ MGP_CAROLIEiJ_G0028703
 protein coding gene Chr6:103580531-103917506 (+)
CAST/EiJ ENSTCUG00005027130
 protein coding gene Chr6:105170560-105474529 (+)
CBA/J ENSMUSG00210020407
 protein coding gene Chr6:105113122-105417585 (+)
DBA/2J ENSMUSG00185018546
 protein coding gene Chr6:105562968-105866350 (+)
FVB/NJ ENSMUSG00205013653
 protein coding gene Chr6:104195333-104503710 (+)
JF1/MsJ ENSUMUG00000017260
 protein coding gene Chr6:104317807-104621207 (+)
LP/J ENSMUSG00230001295
 protein coding gene Chr6:106752423-107058985 (+)
NOD/ShiLtJ ENSMUSG00190017372
 protein coding gene Chr6:104718162-105032303 (+)
NZO/HlLtJ ENSMUSG00225005464
 protein coding gene Chr6:108694613-108999067 (+)
PWK/PhJ ENSLUMG00010027578
 protein coding gene Chr6:103812564-104115711 (+)
SPRET/EiJ ENSMSPG00010014438
 protein coding gene Chr6:106385294-106713104 (+)
WSB/EiJ ENSIUOG00005023421
 protein coding gene Chr6:105513282-105824913 (+)



Homology
more
  • Human Ortholog
    ITPR1, inositol 1,4,5-trisphosphate receptor type 1
  • Vertebrate Orthologs
    4
Vertebrate Orthology Source
Alliance of Genome Resources
  • Human Ortholog
    ITPR1, inositol 1,4,5-trisphosphate receptor type 1
  • Synonyms
    ACV, CLA4, INSP3R1, IP3R, IP3R1, PPP1R94, SCA15, SCA16, SCA29
  • Links
    NCBI Gene ID: 3708
    UniProt: Q14643

  • Chr Location
    3p26.1; chr3:4493345-4847506 (+)  GRCh38
Human Diseases
more
  • Diseases
    3 with human ITPR1 associations

Human Disease Mouse Models
      
IDs
IDs
 View 2 models
IDs
Click on a disease name to see all genes associated with that disease.

  • Mutations/Alleles
    1 with disease annotations
  • References
    1 with disease annotations
Mutations,
Alleles, and
Phenotypes
less
  • Phenotype Summary
    38 phenotypes from 6 alleles in 9 genetic backgrounds
    1 phenotype from multigenic genotypes
    87 phenotype references
Phenotype Overview

adipose tissue
behavior/neurological
cardiovascular system
cellular
craniofacial
digestive/alimentary system
embryo
endocrine/exocrine glands
growth/size/body
hearing/vestibular/ear
hematopoietic system
homeostasis/metabolism
integument
immune system
limbs/digits/tail
liver/biliary system
mortality/aging
muscle
nervous system
pigmentation
renal/urinary system
reproductive system
respiratory system
skeleton
taste/olfaction
neoplasm
vision/eye

Click cells to view annotations.
Most homozygotes for a targeted null mutation die in utero, while survivors exhibit severe ataxia, seizures, and lethality by weaning age. Homozygotes for a spontaneous mutation exhibit a postnatal phenotype similar to that of knockout mutants.
Gene Ontology
(GO)
Classifications
less
  • All GO Annotations
    160
  • GO References
    48
Molecular Function

carbohydrate derivative binding
cytoskeletal protein binding
DNA binding
enzyme regulator
hydrolase
ligase
lipid binding
oxidoreductase
RNA binding
signaling receptor activity
signaling receptor binding
transcription
transferase
transporter
Biological Process

carbohydrate derivative metabolism
cell differentiation
cell population proliferation
cellular component organization
DNA-templated transcription
establishment of localization
homeostatic process
immune system process
lipid metabolic process
programmed cell death
protein metabolic process
response to stimulus
signaling
system development
Cellular Component

cell projection
cytoplasmic vesicle
cytoskeleton
cytosol
endoplasmic reticulum
endosome
extracellular region
Golgi apparatus
mitochondrion
membraneless organelle
nucleus
organelle envelope
organelle lumen
plasma membrane
protein-containing complex
synapse
vacuole
Click cells to view annotations.
Expression
less
Expression Overview

early conceptus
embryo ectoderm
embryo endoderm
embryo mesoderm
embryo mesenchyme
extraembryonic component
alimentary system
auditory system
branchial arches
cardiovascular system
connective tissue
endocrine system
exocrine system
hemolymphoid system
integumental system
limbs
liver and biliary system
musculoskeletal system
nervous system
olfactory system
reproductive system
respiratory system
urinary system
visual system
Click cells to view annotations.


  • Assay Results
    774
  • Tissues
    88
  • cDNA Data
    124
  • Literature Summary
    39
  • Comparison Matrix
    Gene Expression + Phenotype
    • Sequences &
    Gene Models
    less
    Representative SequencesLengthStrain/SpeciesFlank
    genomic ENSMUSG00000030102 Ensembl Gene Model | MGI Sequence Detail 338014 C57BL/6J ±  kb
    transcript ENSMUST00000032192 Ensembl | MGI Sequence Detail 9870 Not Applicable  
    polypeptide ENSMUSP00000032192 Ensembl | MGI Sequence Detail 2749 Not Applicable  
    For the selected sequence
    Protein
    Information
    less
    Molecular
    Reagents
    less
    • All nucleic 137
      Genomic 5
      cDNA 128
      Primer pair 4
      Antibodies 4

      Microarray probesets 5
    Other
    Accession IDs
    less
    MGD-MRK-11506, MGD-MRK-11508, MGD-MRK-13043, MGD-MRK-13182, MGD-MRK-13185, MGD-MRK-16179, MGD-MRK-7700, MGI:4437431, MGI:93795, MGI:97507
    References
    more
    • Summaries
      All 294
      Developmental Gene Expression 39
      Diseases 1
      Gene Ontology 48
      Phenotypes 87
    • Earliest
      J:9499 Nordquist DT, et al., cDNA cloning and characterization of three genes uniquely expressed in cerebellum by Purkinje neurons. J Neurosci. 1988 Dec;8(12):4780-9
    • Latest
      J:386463 Rias E, et al., Protocol for isolation of total RNA from mouse whole cochlea using organic solvents. STAR Protoc. 2026 Mar 20;7(1):104376
    Contributing Projects:
    Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
    Citing These Resources
    Funding Information
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    Send questions and comments to User Support.     		last database update
    09/08/2026
    MGI 6.24     		The Jackson Laboratory