Homo sapiens Protein: IMPA1
Summary
InnateDB Protein IDBP-26798.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol IMPA1
Protein Name inositol(myo)-1(or 4)-monophosphatase 1
Synonyms IMP; IMPA;
Species Homo sapiens
Ensembl Protein ENSP00000256108
InnateDB Gene IDBG-26796 (IMPA1)
Protein Structure
UniProt Annotation
Function Responsible for the provision of inositol required for synthesis of phosphatidylinositol and polyphosphoinositides and has been implicated as the pharmacological target for lithium action in brain. Can use myo-inositol monophosphates, myo-inositol 1,3-diphosphate, myo-inositol 1,4-diphosphate, scyllo-inositol- phosphate, glucose-1-phosphate, glucose-6-phosphate, fructose-1- phosphate, beta-glycerophosphate, and 2'-AMP as substrates. {ECO:0000269PubMed:17068342}.
Subcellular Localization Cytoplasm.
Disease Associations
Tissue Specificity
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 11 experimentally validated interaction(s) in this database.
Experimentally validated
Total 11 [view]
Protein-Protein 10 [view]
Protein-DNA 0
Protein-RNA 1 [view]
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Gene Ontology

Molecular Function
Accession GO Term
GO:0008934 inositol monophosphate 1-phosphatase activity
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0052832 inositol monophosphate 3-phosphatase activity
GO:0052833 inositol monophosphate 4-phosphatase activity
Biological Process
GO:0006021 inositol biosynthetic process
GO:0006661 phosphatidylinositol biosynthetic process
GO:0006796 phosphate-containing compound metabolic process
GO:0007165 signal transduction
GO:0043647 inositol phosphate metabolic process
GO:0044281 small molecule metabolic process
GO:0046854 phosphatidylinositol phosphorylation
GO:0046855 inositol phosphate dephosphorylation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0070062 extracellular vesicular exosome
Protein Structure and Domains
PDB ID
InterPro IPR000760 Inositol monophosphatase
IPR020552 Inositol monophosphatase, Lithium-sensitive
PFAM PF00459
PRINTS PR00377
PR00378
PIRSF
SMART
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt P29218
PhosphoSite PhosphoSite-P29218
TrEMBL E5RG94
UniProt Splice Variant
Entrez Gene 3612
UniGene
RefSeq NP_005527
HUGO HGNC:6050
OMIM 602064
CCDS CCDS6231
HPRD 03641
IMGT
EMBL AC090255 AF042729 AF178754 AK297078 AK300750 AK312823 BC008381 BC009565 CH471068 X66922 Y11360 Y11361 Y11362 Y11363 Y11364 Y11365 Y11366 Y11367
GenPept AAB97468 AAD52997 AAH08381 AAH09565 BAG35680 BAG59595 BAH13340 CAA47359 CAA72195 EAW87095 EAW87100