2.7.1.158: inositol-pentakisphosphate 2-kinase

This is an abbreviated version!
For detailed information about inositol-pentakisphosphate 2-kinase, go to the full flat file.

Reaction

Synonyms

ASP1, At5g42810, AtIP5 2-K, AtIPK1, CnIpk1, Glyma04g03240, Glyma06g03310, GmIpk1, GmlPk1, Gsl1p, inositol 1,3,4,5,6-pentakis phosphate 2-kinase, inositol 1,3,4,5,6-pentakisphosphate 2-kinase, inositol hexakisphosphate kinase 1, inositol kinase, inositol pentakisphosphate 2-kinase, inositol polyphosphate kinase, inositol polyphosphate kinase-1, inositol polyphosphate kinase/phosphotransferase, inositol-1,3,4,5,6-pentakisphosphate 2-kinase, ins(1,3,4,5,6)P5 2-kinase, Ins5 2-kinase, InsP5 2-kinase, InsP6-kinase, IP5 2-K, IP5 2-kinase, IP5K, IP6K, IP6K1, Ipk1, Ipk1p, IPP2K, mIP5 2-K, Plc1p, rIPK1, scIpk1, spIpk1-C, StITPK1, StITPKalpha, ZmIPK1, ZmIPK1A, ZmIPK1B

ECTree

     2 Transferases

         2.7 Transferring phosphorus-containing groups

             2.7.1 Phosphotransferases with an alcohol group as acceptor

                2.7.1.158 inositol-pentakisphosphate 2-kinase

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Results	in table
3	Activating Compound
3687	AA Sequence
1	Application
1	CAS Registry Number
22	Cloned(Commentary)
11	Cofactor
4	Crystallization (Commentary)
31	Disease/ Diagnostics
32	General Information
2	General Stability
1	IC50 Value
11	Inhibitors
4	kcat/KM [mM/s]
33	KM Value [mM]
20	Localization
14	Metals/Ions
5	Molecular Weight [Da]
36	Natural Substrates/ Products (Substrates)
43	Organism
8	Pathway
37	PDB ID
8	pH Optimum
1	pH Range
2	pI Value
27	Protein Variants
15	Purification (Commentary)
1	Reaction
3	Reaction Type
39	Reference
70	Source Tissue
2	Specific Activity [micromol/min/mg]
1	Storage Stability
65	Substrates and Products (Substrate)
16	Subunits
108	Synonyms
1	Systematic Name
7	Temperature Optimum [°C]
1	Temperature Range [°C]
16	Turnover Number [1/s]

Systematic Name

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Systematic Name on EC 2.7.1.158 - inositol-pentakisphosphate 2-kinase

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SYSTEMATIC NAME

IUBMB Comments

ATP:1D-myo-inositol 1,3,4,5,6-pentakisphosphate 2-phosphotransferase

The enzyme can also use Ins(1,4,5,6)P4 [2] and Ins(1,4,5)P3 [3] as substrate. Inositol hexakisphosphate (phytate) accumulates in storage protein bodies during seed development and, when hydrolysed, releases stored nutrients to the developing seedling before the plant is capable of absorbing nutrients from its environment [5].