Identification
BMDB Protein ID BMDBP00456
Secondary Accession Numbers
  • BMDBP03140
Name Inositol monophosphatase 1
Synonyms Not Available
Gene Name IMPA1
Protein Type Enzyme
Biological Properties
General Function Carbohydrate transport and metabolism
Specific 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. Has broad substrate specificity and 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 (By similarity). Is equally active with myo-inositol monophosphate and D-galactose 1-phosphate.
Pathways
  • Myo-inositol biosynthesis
  • Myo-inositol from D-glucose 6-phosphate: step 2/2
  • Polyol metabolism
Reactions
Myo-inositol 1-phosphate + Water → Myoinositol + Hydrogen phosphate details
GO Classification Not Available
Cellular Location Not Available
Gene Properties
Chromosome Location 14
Locus Not Available
SNPs IMPA1
Gene Sequence
>834 bp
ATGGCTGATCCTTGGCAGGAATGCATGGATTATGCAGTAACCCTGGCAGGACAAGCTGGA
GAGGTGGTTCGTGAAGCGCTCAAGAATGAAATGAATATTATGGTTAAAAGTTCTCCGGCT
GATTTGGTAACTGCTACTGACCAAAAAGTTGAAAAAATGCTTATCACATCCATAAAGGAA
AAGTATCCATCTCACAGTTTCATTGGTGAGGAATCTGTGGCAGCTGGGGAAAAAAGTATC
TTAACCGACAACCCTACATGGATCATTGACCCTATTGATGGAACAACTAACTTTGTACAT
GGATTTCCTTTTGTAGCTGTTTCAATTGGCTTTGTGGTAAATAAAAAGATGGAGTTTGGA
ATTGTGTACAGTTGCCTGGAGGATAAGATGTACACTGGCCGGAAAGGAAAAGGTGCCTTT
TGTAATGGTCAAAAACTACAGGTTTCACACCAAGAAGATATTACCAAATCTCTCTTGGTG
ACAGAGTTGGGCTCTTCCAGAACACCAGAGACTGTGAGAATTATTCTTTCTAATATAGAA
AGGCTTCTTTGCCTTCCCATCCATGGGATCCGGGGTGTTGGAACAGCAGCTCTGAACATG
TGCCTGGTGGCCGCTGGGGCTGCGGACGCGTATTATGAAATGGGGATCCACTGCTGGGAT
GTTGCAGGCGCCGGCATCATTGTGACTGAAGCTGGCGGAGTGCTCCTGGATGTCACAGGT
GGACCATTTGATTTGATGTCACGAAGAGTAATTGCTTCAAGCAATAAAACATTAGCAGAA
AGGATAGCCAAAGAAATTCAGATAATACCTCTTCAAAGAGATGATGAAGATTAA
Protein Properties
Number of Residues 277
Molecular Weight 30056.0
Theoretical pI 4.81
Pfam Domain Function Not Available
Signals
  • None
Transmembrane Regions
  • 16-36
Protein Sequence
>Inositol monophosphatase
MADPWQECMDYAVTLAGQAGEVVREALKNEMNIMVKSSPADLVTATDQKVEKMLITSIKE
KYPSHSFIGEESVAAGEKSILTDNPTWIIDPIDGTTNFVHGFPFVAVSIGFVVNKKMEFG
IVYSCLEDKMYTGRKGKGAFCNGQKLQVSHQEDITKSLLVTELGSSRTPETVRIILSNIE
RLLCLPIHGIRGVGTAALNMCLVAAGAADAYYEMGIHCWDVAGAGIIVTEAGGVLLDVTG
GPFDLMSRRVIASSNKTLAERIAKEIQIIPLQRDDED
GenBank ID Protein AAA30589.1
UniProtKB/Swiss-Prot ID P20456
UniProtKB/Swiss-Prot Entry Name IMPA1_BOVIN
PDB IDs
GenBank Gene ID J05394
GeneCard ID IMPA1
GenAtlas ID Not Available
HGNC ID Not Available
References
General References Not Available