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2.7.4.24: diphosphoinositol-pentakisphosphate 1-kinase

This is an abbreviated version!
For detailed information about diphosphoinositol-pentakisphosphate 1-kinase, go to the full flat file.

Word Map on EC 2.7.4.24

Reaction

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

Synonyms

ATP:5-diphospho-1D-myo-inositol-pentakisphosphate phosphotransferase, diphospho-myo-inositol pentakisphosphate 5-kinase, diphosphoinositol pentakisphosphate kinase, diphosphoinositol pentakisphosphate kinase 2, diphosphoinositol-pentakisphosphate 1/3-kinase, diphosphoinositol-pentakisphosphate kinase, EC 2.7.1.155, 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

ECTree

     2 Transferases
         2.7 Transferring phosphorus-containing groups
             2.7.4 Phosphotransferases with a phosphate group as acceptor
                2.7.4.24 diphosphoinositol-pentakisphosphate 1-kinase

Activating Compound

Activating Compound on EC 2.7.4.24 - diphosphoinositol-pentakisphosphate 1-kinase

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ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
2,5-O-benzyl-myo-inositol 1,3,4,6-tetrakisphosphate
activates the ATP hydrolysis activity and inhibits the InsP6 kinase activity of the enzyme
2-O-aminoethyl-myo-inositol 1,2,3,4,6-pentakisphosphate
-
2-O-benzoyl-myo-inositol 1,2,3,4,6-pentakisphosphate
-
2-O-benzyl-5-O-alpha-phosphonoacetyl-myo-inositol 1,3,4,6-tetrakisphosphate
stimulates ATP hydrolysis 9fold
2-O-benzyl-5-O-diphosphate-myo-inositol 1,3,4,6-tetrakisphosphate
-
2-O-benzyl-myo-inositol 1,2,3,4,6-pentakisphosphate
-
2-O-butanoyl-myo-inositol 1,2,3,4,6-pentakisphosphate
-
5-O-alpha-diphosphate-myo-inositol 1,3,4,6-tetrakisphosphate
-
5-O-alpha-phoshonoacetyl-myo-inositol 1,3,4,6-tetrakisphosphate
-
5-O-alpha-phosphonoacetyl-myo-inositol 1,2,3,4,6-pentakisphosphate
stimulates ATP hydrolysis 5fold
monoperoxo(picolinato)oxovanadate(V)
-
15fold activation
PtdIns(4,5)P2
increases net 1D-myo-inositol 5-diphosphate 1,2,3,4,6-pentakisphosphate kinase activity 5fold
-
sorbitol
-
rapid activation in vivo
sucrose
-
rapid activation in vivo
additional information
-