Inozitol-tetrakisfosfat 1-kinaza

Inozitol-tetrakisfosfat 1-kinaza (EC 2.7.1.134, 1D-mio-inozitol-tetrakisfosfat 1-kinaza, inozitol-trisfosfat 6-kinaza, 1D-mio-inozitol-trisfosfat 6-kinaza, ATP:1D-mio-inozitol-1,3,4-trisfosfat 6-fosfotransferaza, inozitol-trisfosfat 5-kinaza, 1D-mio-inozitol-trisfosfat 5-kinaza, ATP:1D-mio-inozitol-1,3,4-trisfosfat 5-fosfotransferaza) je enzim sa sistematskim imenom ATP:1D-mio-inozitol-3,4,5,6-tetrakisfosfat 1-fosfotransferaza.[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju

Inozitol-tetrakisfosfat 1-kinaza
Identifikatori
EC broj 2.7.1.134
CAS broj 187175-98-0
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 3,4,5,6-tetrakisfosfat ADP + 1D-mio-inozitol 1,3,4,5,6-pentakisfosfat

Ovaj enzim takođe fosforiliše Ins(1,3,4)P3 na pozicijama O-5 i O-6.

Reference uredi

  1. Stephens, L.R., Hawkins, P.T., Morris, A.J. and Downes, P.C. (1988). „L-myo-Inositol 1,4,5,6-tetrakisphosphate (3-hydroxy)kinase”. Biochem. J. 249: 283-292. PMID 2829850. 
  2. Balla, T., Guillemette, G., Baukal, A.J. and Catt, K. (1987). „Metabolism of inositol 1,3,4-trisphosphate to a new tetrakisphosphate isomer in angiotensin-stimulated adrenal glomerulosa cells”. J. Biol. Chem. 262: 9952-9955. PMID 3497156. 
  3. Shears, S.B., Parry, J.B., Tang, E.K.Y., Irvine, R.F., Michell, R.H. and Kirk, C.J. (1987). „Metabolism of D-myo-inositol 1,3,4,5-tetrakisphosphate by rat liver, including the synthesis of a novel isomer of myo-inositol tetrakisphosphate”. Biochem. J. 246: 139-147. PMID 2823793. 
  4. Shears, S.B. (1989). „The pathway of myo-inositol 1,3,4-trisphosphate phosphorylation in liver. Identification of myo-inositol 1,3,4-trisphosphate 6-kinase, myo-inositol 1,3,4-trisphosphate 5-kinase, and myo-inositol 1,3,4,6-tetrakisphosphate 5-kinase”. J. Biol. Chem. 264: 19879-19886. PMID 2584198. 
  5. Yang, X. and Shears, S.B. (2000). „Multitasking in signal transduction by a promiscuous human Ins(3,4,5,6)P4 1-kinase/Ins(1,3,4)P3 5/6-kinase”. Biochem. J. 351: 551-555. PMID 11042108. 
  6. Ho, M.W., Yang, X., Carew, M.A., Zhang, T., Hua, L., Kwon, Y.U., Chung, S.K., Adelt, S., Vogel, G., Riley, A.M., Potter, B.V. and Shears, S.B. (2002). „Regulation of Ins(3,4,5,6)P4 signaling by a reversible kinase/phosphatase”. Curr. Biol. 12: 477-482. PMID 11909533. 

Literatura uredi

Spoljašnje veze uredi