2.7.1.151: inositol-polyphosphate multikinase
This is an abbreviated version!
For detailed information about inositol-polyphosphate multikinase, go to the full flat file.
Word Map on EC 2.7.1.151
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2.7.1.151
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phosphatidylinositol
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phospholipase
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phosphoinositide
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4,5-bisphosphate
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4-phosphate
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5-phosphatase
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1,3,4,5-tetrakisphosphate
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bacteriorhodopsin
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insp3
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pip2
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ptdins4,5p2
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4-kinase
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hexakisphosphate
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pikfyve
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ptdins4p
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pentakisphosphate
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1,3,4-trisphosphate
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3hinositol
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phosphatidylinositol-4-phosphate
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photocycle
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diphosphoinositol
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inositide
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3,4,5-trisphosphate
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5/6-kinase
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polyphosphoinositide
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medicine
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light-driven
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arf6
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agriculture
- 2.7.1.151
- phosphatidylinositol
- phospholipase
- phosphoinositide
- 4,5-bisphosphate
- 4-phosphate
-
5-phosphatase
- 1,3,4,5-tetrakisphosphate
-
bacteriorhodopsin
- insp3
- pip2
-
ptdins4,5p2
-
4-kinase
- hexakisphosphate
- pikfyve
-
ptdins4p
- pentakisphosphate
- 1,3,4-trisphosphate
-
3hinositol
- phosphatidylinositol-4-phosphate
-
photocycle
-
diphosphoinositol
-
inositide
- 3,4,5-trisphosphate
-
5/6-kinase
-
polyphosphoinositide
- medicine
-
light-driven
- arf6
- agriculture
Reaction
Synonyms
1,3,4,6-tetrakisphosphate 5-kinase, 5-kinase, Arg82, ArgRIII, ARGSIII, AtIpk2a, AtIpk2b, AtIpk2beta, HsIPMK, Impk, inositol 1,4,5-trisphosphate 3-kinase, inositol phosphate multikinase, inositol phosphate multikinase 2, inositol polyphosphate 6-/3-kinase, inositol polyphosphate kinase, inositol polyphosphate multikinase, Ins(1,4,5)P3 3-kinase, InsP4 5-kinase, IP3 3-kinase, IP3/IP4 6-/3-kinase, IP3K, IPK, Ipk2, Ipk2/Impk/IP3K, Ipk2a, Ipk2beta/IP3K, IPKII, IPMK, ITPK1, Kcs1, Kcs1p, More, phosphoinositol kinase, PI3K, StIPMK
ECTree
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Inhibitors
Inhibitors on EC 2.7.1.151 - inositol-polyphosphate multikinase
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abscisic acid
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In ten-day-old seedlings grown on MS medium, AtIpk2b transcript level decreased.
aurintricarboxylic acid
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mixed-type versus ATP, noncompetitive versus 1D-myo-inositol 1,4,5-trisphosphate, strong inhibition, IC50 is 44 nM
chlorogenic acid
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mixed-type versus ATP, noncompetitive versus 1D-myo-inositol 1,4,5-trisphosphate, slight inhibition, IC50 is 0.0012 mM
ellagic acid
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mixed-type versus ATP, noncompetitive versus 1D-myo-inositol 1,4,5-trisphosphate, slight inhibition, IC50 is 0.0014 mM
gossypol
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mixed-type versus ATP, noncompetitive versus 1D-myo-inositol 1,4,5-trisphosphate, slight inhibition, IC50 is 0.0034 mM
inositol(1,3,4)-trisphosphate
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potently inhibits hITPK1 activity towards insositol (3,4,5,6)-tetrakisphosphate, IC50: 0.0076 mM
NaCl
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In ten-day-old seedlings grown on MS medium, AtIpk2b transcript level decreases in response to salt
Rose bengal
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mixed-type versus ATP, noncompetitive versus 1D-myo-inositol 1,4,5-trisphosphate, slight inhibition, IC50 is 620 nM
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inhibitory effects are not due to inactivating aggregation of the enzyme, no inhibition by quercetin, 3',4',7,8-tetrahydroxyflavone, myricetin, hypericin, epigallocatechin-3-gallate, and epicatechin-3-gallate, the enzyme contains a unique basic segment of 105 amino acids, which is inserted between the SSLL motif and the DFG motif, being probably involved in inhibition by acidic polyphenols
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additional information
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an enzyme-deficient mutant strain is resistant to inhibition by wortmannin, while transformation with the wild-type enzyme reverses the effect
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additional information
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IPMK3s phosphoinositide-3 kinase activity is distinguished from previously described phosphoinositide-3 kinase in its complete insensitivity to pharmacological inhibition by wortmannin, a potent inhibitor of canonical phosphoinositide-3 kinase.; selective hypersensitivity to rapamycin, an inhibitor of the TOP (target of rapamycin) kinases wit preeminent regulatory roles in general nitrogencatabolite repression control.
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