Gene Gene information from NCBI Gene database.
Entrez ID 3631
Gene name Inositol polyphosphate-4-phosphatase type I A
Gene symbol INPP4A
Synonyms (NCBI Gene)
INPP4TVAS1
Chromosome 2
Chromosome location 2q11.2
Summary This gene encodes an Mg++ independent enzyme that hydrolyzes the 4-position phosphate from the inositol ring of phosphatidylinositol 3,4-bisphosphate, inositol 1,3,4-trisphosphate, and inositol 3,4-bisphosphate. Multiple transcript variants encoding disti
SNPs SNP information provided by dbSNP.
3
SNP ID Visualize variation Clinical significance Consequence
rs1306444586 C>T Likely-pathogenic Non coding transcript variant, upstream transcript variant, synonymous variant, coding sequence variant, genic upstream transcript variant
rs1574887674 C>T Pathogenic Coding sequence variant, intron variant, non coding transcript variant, stop gained, genic upstream transcript variant, upstream transcript variant
rs1574965220 TC>- Likely-pathogenic Frameshift variant, non coding transcript variant, coding sequence variant, genic upstream transcript variant
miRNA miRNA information provided by mirtarbase database.
148
miRTarBase ID miRNA Experiments Reference
MIRT046283 hsa-miR-23b-3p CLASH 23622248
MIRT039407 hsa-miR-421 CLASH 23622248
MIRT037226 hsa-miR-877-5p CLASH 23622248
MIRT037226 hsa-miR-877-5p CLASH 23622248
MIRT036040 hsa-miR-1301-3p CLASH 23622248
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
34
GO ID Ontology Definition Evidence Reference
GO:0005515 Function Protein binding IPI 25869668
GO:0005634 Component Nucleus IDA 30071275
GO:0005634 Component Nucleus IEA
GO:0005654 Component Nucleoplasm IDA
GO:0005737 Component Cytoplasm IBA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
600916 6074 ENSG00000040933
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q96PE3
Protein name Inositol polyphosphate-4-phosphatase type I A (Inositol polyphosphate 4-phosphatase type I) (Type I inositol 3,4-bisphosphate 4-phosphatase) (EC 3.1.3.66)
Protein function Catalyzes the hydrolysis of the 4-position phosphate of phosphatidylinositol 3,4-bisphosphate (PtdIns(3,4)P2) (PubMed:15716355, PubMed:20463662). Also catalyzes inositol 1,3,4-trisphosphate and inositol 1,4-bisphosphate (By similarity). Antagoni
Family and domains
Tissue specificity TISSUE SPECIFICITY: Isoform 1 is expressed in the platelets, MEG-01 megakaryocytes and Jurkat T-cells. Isoform 2 is expressed in the brain. {ECO:0000269|PubMed:11485317}.
Sequence
MTAREHSPRHGARARAMQRASTIDVAADMLGLSLAGNIQDPDEPILEFSLACSELHTPSL
DRKPNSFVAVSVTTPPQAFWTKHAQTEIIEGTNNPIFLSSIAFFQDSLINQMTQVKLSVY
DVKDRSQGTMYLLGSGTFIVKDLLQDRHHRLHLTLRSAESDRVGNITVIGWQMEEKSDQR
PPVTRSVDTVNGRMVLPVDESLTEALGIRSKYASLRKDTLLKSVFGGAICRMYRFPTTDG
NHLRILEQMAESVLSLHVPRQFVKLLLEEDAARVCELEELGELSPCWESLRRQIVTQYQT
IILTYQENLTDLHQYRGPSFKASSLKADKKLEFVPTNLHIQRMRVQDDGGSDQNYDIVTI
GAPAAHCQGFKSGGLRKKLHKFEETKKHFEECCTSSGCQSIIYIPQDVVRAKEIIAQINT
LKTQVSYYAERLSRAAKDRSATGLERTLAILADKTRQLVTVCDCKLLANSIHGLNAARPD
YIASKASPTSTEEEQVMLRNDQDTLMARWTGRNSRSSLQVDWHEEEWEKVWLNVDKSLEC
IIQRVDKLLQKERLHGEGCEDVFPCAGSCTSKKGNPDSHAYWIRPEDPFCDVPSSPCPST
MPSTACHPHLTTHCSPPPEESSPGEWSEALYPLLTTLTDCVAMMSDKAKKAMVFLLMQDS
APTIATYLSLQYRRDVVFCQTLTALICGFIIKLRNCLHDDGFLRQLYTIGLLAQFESLLS
TYGEELAMLEDMSLGIMDLRNVTFKVTQATSSASADMLPVITGNRDGFNVRVPLPGPLFD
ALPREIQSGMLLRVQPVLFNVGINEQQTLAERFGDTSLQEVINVESLVRLNSYFEQFKEV
LPEDCLPRSRSQTCLPELLRFLGQNVHARKNKNVDILWQAAEICRRLNGVRFTSCKSAKD
RTAMSVTLEQCLILQHEHGMAPQVFTQALECMRSEGCRRENTMKNVGSRKYAFNSLQLKA
FPKHYRPPEGTYGKVET
Sequence length 977
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Inositol phosphate metabolism
Metabolic pathways
Phosphatidylinositol signaling system
  Synthesis of PIPs at the plasma membrane
Synthesis of PIPs at the early endosome membrane
Synthesis of IP2, IP, and Ins in the cytosol
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
13
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
Dyskeratosis congenita, autosomal dominant 1 Likely pathogenic rs1306444586 RCV000761361
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Hypotonia Likely pathogenic rs1574965220 RCV000991365
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Intellectual disability Pathogenic rs1574887674 RCV000986112
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Microcephaly Likely pathogenic rs1574965220 RCV000991365
★★★★☆
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
BIPOLAR DISORDER GWAS catalog
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CARCINOMA, BASAL CELL CTD
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
MENTAL RETARDATION Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
NEURODEVELOPMENTAL DISORDER GWAS catalog
★★☆☆☆
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
Asthma Asthma BEFREE 18187694, 30335467
★☆☆☆☆
Found in Text Mining only
Asthma Asthma LHGDN 18187694
★☆☆☆☆
Found in Text Mining only
Bladder Neoplasm Bladder Neoplasm BEFREE 28337959
★☆☆☆☆
Found in Text Mining only
Carcinoma of bladder Bladder carcinoma BEFREE 28337959
★☆☆☆☆
Found in Text Mining only
Carcinoma Pancreatic Ductal Pancreatic ductal carcinoma Pubtator 35856354 Associate
★☆☆☆☆
Found in Text Mining only
Carcinoma Renal Cell Renal cell carcinoma Pubtator 29415082 Associate
★☆☆☆☆
Found in Text Mining only
Colorectal Neoplasms Colorectal neoplasm Pubtator 30809968 Associate
★☆☆☆☆
Found in Text Mining only
Diabetes Mellitus Type 1 Diabetes mellitus, type 1 Pubtator 34006268 Associate
★☆☆☆☆
Found in Text Mining only
DYSKERATOSIS CONGENITA, AUTOSOMAL DOMINANT 1 Dyskeratosis Congenita CLINVAR_DG 15849264, 21931702
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Esophageal carcinoma Esophageal Carcinoma BEFREE 29880087
★☆☆☆☆
Found in Text Mining only