Inozitol-pentakisfosfat 2-kinaza

(Preusmjereno sa stranice IP5 2-kinaza)

Inozitol-pentakisfosfat 2-kinaza (EC 2.7.1.158, IP5 2-kinaza, Gsl1p, Ipk1p, inozitol polifosfatna kinaza, inozitol 1,3,4,5,6-pentakisfosfatna 2-kinaza, Ins(1,3,4,5,6)P5 2-kinaza) je enzim sa sistematskim imenom ATP:1D-mio-inozitol 1,3,4,5,6-pentakisfosfat 2-fosfotransferaza.[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju

Inozitol-pentakisfosfat 2-kinaza
Identifikatori
EC broj 2.7.1.158
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
ATP + 1D-mio-inozitol 1,3,4,5,6-pentakisfosfat ADP + 1D-mio-inozitol heksakisfosfat

Ovaj enzim takođe može da koristi Ins(1,4,5,6)P4 i Ins(1,4,5)P3 kao supstrat.

Reference uredi

  1. York, J.D., Odom, A.R., Murphy, R., Ives, E.B. and Wente, S.R. (1999). „A phospholipase C-dependent inositol polyphosphate kinase pathway required for efficient messenger RNA export”. Science 285: 96-100. PMID 10390371. 
  2. Phillippy, B.Q., Ullah, A.H. and Ehrlich, K.C. (1994). „Purification and some properties of inositol 1,3,4,5,6-Pentakisphosphate 2-kinase from immature soybean seeds”. J. Biol. Chem. 269: 28393-28399. PMID 7961779. 
  3. Phillippy, B.Q., Ullah, A.H. and Ehrlich, K.C. (1997). „Additions and corrections to Purification and some properties of inositol 1,3,4,5,6-pentakisphosphate 2-kinase from immature soybean seeds”. J. Biol. Chem. 270: 7782-7782. 
  4. Ongusaha, P.P., Hughes, P.J., Davey, J. and Michell, R.H. (1998). „Inositol hexakisphosphate in Schizosaccharomyces pombe: synthesis from Ins(1,4,5)P3 and osmotic regulation”. Biochem. J. 335: 671-679. PMID 9794810. 
  5. Miller, A.L., Suntharalingam, M., Johnson, S.L., Audhya, A., Emr, S.D. and Wente, S.R. (2004). „Cytoplasmic inositol hexakisphosphate production is sufficient for mediating the Gle1-mRNA export pathway”. J. Biol. Chem. 279: 51022-51032. PMID 15459192. 
  6. Stevenson-Paulik, J., Odom, A.R. and York, J.D. (2002). „Molecular and biochemical characterization of two plant inositol polyphosphate 6-/3-/5-kinases”. J. Biol. Chem. 277: 42711-42718. PMID 12226109. 

Literatura uredi

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