Gene Gene information from NCBI Gene database.
Entrez ID 3708
Gene name Inositol 1,4,5-trisphosphate receptor type 1
Gene symbol ITPR1
Synonyms (NCBI Gene)
ACVCLA4INSP3R1IP3RIP3R1PPP1R94SCA15SCA16SCA29
Chromosome 3
Chromosome location 3p26.1
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
SNPs SNP information provided by dbSNP.
41
SNP ID Visualize variation Clinical significance Consequence
rs41289628 G>A Conflicting-interpretations-of-pathogenicity, likely-benign Coding sequence variant, missense variant
rs41304179 C>T Conflicting-interpretations-of-pathogenicity, benign Intron variant
rs61757108 C>T Conflicting-interpretations-of-pathogenicity, benign Coding sequence variant, synonymous variant
rs61757111 C>T Conflicting-interpretations-of-pathogenicity, likely-benign Coding sequence variant, synonymous variant
rs121912425 C>T Pathogenic Missense variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
261
miRTarBase ID miRNA Experiments Reference
MIRT003225 hsa-miR-424-5p Luciferase reporter assay 20065103
MIRT017604 hsa-miR-335-5p Microarray 18185580
MIRT019619 hsa-miR-340-5p Sequencing 20371350
MIRT022001 hsa-miR-128-3p Sequencing 20371350
MIRT028366 hsa-miR-32-5p Sequencing 20371350
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
95
GO ID Ontology Definition Evidence Reference
GO:0000166 Function Nucleotide binding IEA
GO:0000902 Process Cell morphogenesis IEA
GO:0001666 Process Response to hypoxia IDA 19120137
GO:0001666 Process Response to hypoxia IEA
GO:0005216 Function Monoatomic ion channel activity IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
147265 6180 ENSG00000150995
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q14643
Protein name Inositol 1,4,5-trisphosphate-gated calcium channel ITPR1 (IP3 receptor isoform 1) (IP3R 1) (InsP3R1) (Inositol 1,4,5 trisphosphate receptor) (Inositol 1,4,5-trisphosphate receptor type 1) (Type 1 inositol 1,4,5-trisphosphate receptor) (Type 1 InsP3 recept
Protein function Inositol 1,4,5-trisphosphate-gated calcium channel that, upon inositol 1,4,5-trisphosphate binding, mediates calcium release from the endoplasmic reticulum (ER) (PubMed:10620513, PubMed:27108797). Undergoes conformational changes upon ligand bin
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF08709 Ins145_P3_rec 4 229 Inositol 1,4,5-trisphosphate/ryanodine receptor Domain
PF02815 MIR 232 433 MIR domain Domain
PF01365 RYDR_ITPR 474 670 RIH domain Family
PF01365 RYDR_ITPR 1194 1354 RIH domain Family
PF08454 RIH_assoc 1968 2078 RyR and IP3R Homology associated Family
PF00520 Ion_trans 2320 2609 Ion transport protein Family
Tissue specificity TISSUE SPECIFICITY: Widely expressed. {ECO:0000269|PubMed:7500840}.
Sequence
MSDKMSSFLHIGDICSLYAEGSTNGFISTLGLVDDRCVVQPETGDLNNPPKKFRDCLFKL
CPMNRYSAQKQFWKAAKPGANSTTDAVLLNKLHHAADLEKKQNETENRKLLGTVIQYGNV
IQLLHLKSNKYLTVNKRLPALLEKNAMRVTLDEAGNEGSWFYIQPFYKLRSIGDSVVIGD
KVVLNPVNAGQPLHASSHQLVDNPGCNEVNSVNCNTSWKIVLFMKWSDN
KDDILKGGDVV
RLFHAEQEKFLTCDEHRKKQHVFLRTTGRQSATSATSSKALWEVEVVQHDPCRGGAGYWN
SLFRFKHLATGHYLAAEVDPDFEEECLEFQPSVDPDQDASRSRLRNAQEKMVYSLVSVPE
GNDISSIFELDPTTLRGGDSLVPRNSYVRLRHLCTNTWVHSTNIPIDKEEEKPVMLKIGT
SPVKEDKEAFAIV
PVSPAEVRDLDFANDASKVLGSIAGKLEKGTITQNERRSVTKLLEDL
VYFVTGGTNSGQDVLEVVFSKPNRERQKLMREQNILKQIFKLLQAPFTDCGDGPMLRLEE
LGDQRHAPFRHICRLCYRVLRHSQQDYRKNQEYIAKQFGFMQKQIGYDVLAEDTITALLH
NNRKLLEKHITAAEIDTFVSLVRKNREPRFLDYLSDLCVSMNKSIPVTQELICKAVLNPT
NADILIETKL
VLSRFEFEGVSSTGENALEAGEDEEEVWLFWRDSNKEIRSKSVRELAQDA
KEGQKEDRDVLSYYRYQLNLFARMCLDRQYLAINEISGQLDVDLILRCMSDENLPYDLRA
SFCRLMLHMHVDRDPQEQVTPVKYARLWSEIPSEIAIDDYDSSGASKDEIKERFAQTMEF
VEEYLRDVVCQRFPFSDKEKNKLTFEVVNLARNLIYFGFYNFSDLLRLTKILLAILDCVH
VTTIFPISKMAKGEENKGNNDVEKLKSSNVMRSIHGVGELMTQVVLRGGGFLPMTPMAAA
PEGNVKQAEPEKEDIMVMDTKLKIIEILQFILNVRLDYRISCLLCIFKREFDESNSQTSE
TSSGNSSQEGPSNVPGALDFEHIEEQAEGIFGGSEENTPLDLDDHGGRTFLRVLLHLTMH
DYPPLVSGALQLLFRHFSQRQEVLQAFKQVQLLVTSQDVDNYKQIKQDLDQLRSIVEKSE
LWVYKGQGPDETMDGASGENEHKKTEEGNNKPQKHESTSSYNYRVVKEILIRLSKLCVQE
SASVRKSRKQQQRLLRNMGAHAVVLELLQIPYEKAEDTKMQEIMRLAHEFLQNFCAGNQQ
NQALLHKHINLFLNPGILEAVTMQHIFMNNFQLCSEINERVVQHFVHCIETHGRNVQYIK
FLQTIVKAEGKFIKKCQDMVMAELVNSGEDVLVF
YNDRASFQTLIQMMRSERDRMDENSP
LMYHIHLVELLAVCTEGKNVYTEIKCNSLLPLDDIVRVVTHEDCIPEVKIAYINFLNHCY
VDTEVEMKEIYTSNHMWKLFENFLVDICRACNNTSDRKHADSILEKYVTEIVMSIVTTFF
SSPFSDQSTTLQTRQPVFVQLLQGVFRVYHCNWLMPSQKASVESCIRVLSDVAKSRAIAI
PVDLDSQVNNLFLKSHSIVQKTAMNWRLSARNAARRDSVLAASRDYRNIIERLQDIVSAL
EDRLRPLVQAELSVLVDVLHRPELLFPENTDARRKCESGGFICKLIKHTKQLLEENEEKL
CIKVLQTLREMMTKDRGYGEKLISIDELDNAELPPAPDSENATEELEPSPPLRQLEDHKR
GEALRQVLVNRYYGNVRPSGRRESLTSFGNGPLSAGGPGKPGGGGGGSGSSSMSRGEMSL
AEVQCHLDKEGASNLVIDLIMNASSDRVFHESILLAIALLEGGNTTIQHSFFCRLTEDKK
SEKFFKVFYDRMKVAQQEIKATVTVNTSDLGNKKKDDEVDRDAPSRKKAKEPTTQITEEV
RDQLLEASAATRKAFTTFRREADPDDHYQPGEGTQATADKAKDDLEMSAVITIMQPILRF
LQLLCENHNRDLQNFLRCQNNKTNYNLVCETLQFLDCICGSTTGGLGLLGLYINEKNVAL
INQTLESLTEYCQGPCHENQNCIATHESNGIDIITALI
LNDINPLGKKRMDLVLELKNNA
SKLLLAIMESRHDSENAERILYNMRPKELVEVIKKAYMQGEVEFEDGENGEDGAASPRNV
GHNIYILAHQLARHNKELQSMLKPGGQVDGDEALEFYAKHTAQIEIVRLDRTMEQIVFPV
PSICEFLTKESKLRIYYTTERDEQGSKINDFFLRSEDLFNEMNWQKKLRAQPVLYWCARN
MSFWSSISFNLAVLMNLLVAFFYPFKGVRGGTLEPHWSGLLWTAMLISLAIVIALPKPHG
IRALIASTILRLIFSVGLQPTLFLLGAFNVCNKIIFLMSFVGNCGTFTRGYRAMVLDVEF
LYHLLYLVICAMGLFVHEFFYSLLLFDLVYREETLLNVIKSVTRNGRSIILTAVLALILV
YLFSIVGYLFFKDDFILEVDRLPNETAVPETGESLASEFLFSDVCRVESGENCSSPAPRE
ELVPAEETEQDKEHTCETLLMCIVTVLSHGLRSGGGVGDVLRKPSKEEPLFAARVIYDLL
FFFMVIIIVLNLIFGVIIDTFADLRSEKQ
KKEEILKTTCFICGLERDKFDNKTVTFEEHI
KEEHNMWHYLCFIVLVKVKDSTEYTGPESYVAEMIKERNLDWFPRMRAMSLVSSDSEGEQ
NELRNLQEKLESTMKLVTNLSGQLSELKDQMTEQRKQKQRIGLLGHPPHMNVNPQQPA
Sequence length 2758
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Calcium signaling pathway
cGMP-PKG signaling pathway
Phosphatidylinositol signaling system
Oocyte meiosis
Autophagy - animal
Apoptosis
Cellular senescence
Vascular smooth muscle contraction
Apelin signaling pathway
Osteoclast differentiation
Gap junction
Platelet activation
NOD-like receptor signaling pathway
C-type lectin receptor signaling pathway
Circadian entrainment
Long-term potentiation
Retrograde endocannabinoid signaling
Glutamatergic synapse
Cholinergic synapse
Serotonergic synapse
Dopaminergic synapse
Long-term depression
Inflammatory mediator regulation of TRP channels
GnRH signaling pathway
Estrogen signaling pathway
Thyroid hormone synthesis
Oxytocin signaling pathway
Glucagon signaling pathway
Renin secretion
Aldosterone synthesis and secretion
Cortisol synthesis and secretion
Parathyroid hormone synthesis, secretion and action
GnRH secretion
Cushing syndrome
Growth hormone synthesis, secretion and action
Salivary secretion
Gastric acid secretion
Pancreatic secretion
Alzheimer disease
Parkinson disease
Huntington disease
Spinocerebellar ataxia
Prion disease
Pathways of neurodegeneration - multiple diseases
Shigellosis
Human cytomegalovirus infection
Kaposi sarcoma-associated herpesvirus infection
Human immunodeficiency virus 1 infection
Proteoglycans in cancer
Lipid and atherosclerosis
  Effects of PIP2 hydrolysis
Elevation of cytosolic Ca2+ levels
Glucagon-like Peptide-1 (GLP1) regulates insulin secretion
cGMP effects
Ion homeostasis
Antigen activates B Cell Receptor (BCR) leading to generation of second messengers
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
56
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Anterior segment dysgenesis Likely pathogenic; Pathogenic rs752281590 RCV001200032
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Bilateral congenital mydriasis Likely pathogenic rs2469953279 RCV002291348
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Gillespie syndrome Likely pathogenic; Pathogenic rs2106492882, rs878853171, rs878853172, rs878853173, rs878853174, rs878853175, rs878853176, rs878853177, rs752281590, rs2469879768, rs886039392, rs1553654413, rs1553689752, rs1553758021, rs1559718601
View all (2 more)
RCV001650509
RCV000224999
RCV000224993
RCV000224998
RCV000225000
View all (13 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Intellectual disability Likely pathogenic rs2093873717 RCV001260628
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
Acute myeloid leukemia Conflicting classifications of pathogenicity; Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ANDROGENETIC ALOPECIA GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ANIRIDIA CEREBELLAR ATAXIA MENTAL DEFICIENCY CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ANIRIDIA-CEREBELLAR ATAXIA-INTELLECTUAL DISABILITY SYNDROME ClinGen, Orphanet
ClinGen, Orphanet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Acute lymphocytic leukemia Lymphocytic Leukemia BEFREE 3455845
★☆☆☆☆
Found in Text Mining only
Acute pancreatitis Pancreatitis BEFREE 31248019
★☆☆☆☆
Found in Text Mining only
Alzheimer Disease Alzheimer disease Pubtator 33213512 Associate
★☆☆☆☆
Found in Text Mining only
Amyotrophic Lateral Sclerosis Amyotrophic lateral sclerosis Pubtator 30778698 Associate
★☆☆☆☆
Found in Text Mining only
Amyotrophic Lateral Sclerosis Amyotrophic Lateral Sclerosis BEFREE 31557446
★☆☆☆☆
Found in Text Mining only
Aniridia Aniridia HPO_DG
★☆☆☆☆
Found in Text Mining only
Aniridia cerebellar ataxia mental deficiency Aniridia-cerebellar ataxia-intellectual disability syndrome Pubtator 27108797, 28698159, 30249237, 33949769, 35118825, 35743164, 37705153 Associate
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Aniridia-cerebellar ataxia-intellectual disability syndrome Aniridia, Cerebellar Ataxia, And Mental Retardation Orphanet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Anomalous pulmonary artery Anomalous Pulmonary Artery HPO_DG
★☆☆☆☆
Found in Text Mining only
Arteriosclerosis Arteriosclerosis BEFREE 28365690
★☆☆☆☆
Found in Text Mining only