NCBI Accession #
NP_001320164.1
NCBI GenBank Nucleotide #
NM_001342523.1
NCBI Official Full Name
inositol monophosphatase family protein
NCBI Official Symbol
IMPL2
NCBI Official Synonym Symbols
HISN7; HISTIDINE BIOSYNTHESIS 7; myo-inositol monophosphatase like 2; T22F8.20; T22F8_20
NCBI Protein Information
inositol monophosphatase family protein
NCBI Summary
Encodes a chloroplast-localized member of the myo-inositol monophosphatase family, IMPL2 (myo-Inositol monophosphatase like 2) that seems to have multiple enzymatic activities. It contributes to histidine biosynthesis based on it histidinol-phosphate phosphatase activity. In addition, the protein can act as an inositol monophosphatase and an L-galactose-1-phosphate phosphatase in vitro.
UniProt Synonym Gene Names
IMPL2; HPP
UniProt Protein Name
Bifunctional phosphatase IMPL2, chloroplastic
UniProt Synonym Protein Names
Histidinol-phosphatase; Histidinol-phosphate phosphatase (EC:3.1.3.15
UniProt Primary Accession #
Q6NPM8
UniProt Secondary Accession #
Q67Y38; Q9T021; A0A1P8B6U8; F4JV95
UniProt Related Accession #
Q6NPM8
UniProt Comments
Phosphatase required for histidine production. Acts also on L-galactose 1-phosphate (L-Gal 1-P), D-myoinositol 3-phosphate (D-Ins 3-P) and D-myoinositol 1-phosphate (D-Ins 1-P).