Inositol-hexakisphosphate kinase
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Template:Short description Template:Infobox enzyme Inositol-hexakisphosphate kinase (Template:EC number, ATP:1D-myo-inositol-hexakisphosphate phosphotransferase) is an enzyme with systematic name ATP:1D-myo-inositol-hexakisphosphate 5-phosphotransferase.[1][2][3] This enzyme catalyses the following chemical reaction
- (1) ATP + 1D-myo-inositol hexakisphosphate(Phytic acid) ADP + 1D-myo-inositol 5-diphosphate 1,2,3,4,6-pentakisphosphate
- (2) ATP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate ADP + 1D-myo-inositol diphosphate tetrakisphosphate (isomeric configuration unknown)
Three mammalian isoforms are known to exist.