Product Name
diphosphoinositol-pentakisphosphate kinase
Example Structure
Synonyms
diphospho-myo-inositol pentakisphosphate 5-kinase, diphosphoinositol pentakisphosphate kinase, diphosphoinositol pentakisphosphate kinase 2, IP7 kinase, kinase (phosphorylating), diphosphoinositol 1,2,3,4,5-pentakisphosphate 5-, More, PP-InsP5 kinase, PP-IP5 kinase, PPIP5K, PPIP5K1, PPIP5K2, VIP, VIP1, VIP2
EC Number
2.7.4.24
CAS Registry Number
Comments
This enzyme is activated by osmotic shock [4]. Ins(1,3,4,5,6)P5, 1D-myo-inositol diphosphate tetrakisphosphate and 1D-myo-inositol bisdiphosphate triphosphate are not substrates [4].
Cofactor
History
Reactions
(1) Atp + 1D-myo-inositol 5-diphosphate 1,2,3,4,6-pentakisphosphate = Adp + 1D-myo-inositol 1,5-bis(diphosphate) 2,3,4,6-tetrakisphosphate. (2) Atp + 1D-myo-inositol hexakisphosphate = adp + 1D-myo-inositol 1-diphosphate 2,3,4,5,6-pentakisphosphate.
