Inozitol-heksakisfosfat kinaza
Izgled
Inozitol-heksakisfosfat kinaza | |||||||||
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Identifikatori | |||||||||
EC broj | 2.7.4.21 | ||||||||
CAS broj | 176898-37-6 | ||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB | RCSB PDB PDBe PDBj PDBsum | ||||||||
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Inozitol-heksakisfosfat kinaza (EC 2.7.4.21, ATP:1D-mio-inozitol-heksakisfosfat fosfotransferaza) je enzim sa sistematskim imenom ATP:1D-mio-inozitol-heksakisfosfat 5-fosfotransferaza.[1][2][3] Ovaj enzim katalizuje sledeću hemijsku reakciju
- (2) ATP + 1D-mio-inozitol 1,3,4,5,6-pentakisfosfat ADP + 1D-mio-inozitol difosfat tetrakisfosfat (izomerska konfiguracija je nepoznata)
Kod sisara su poznate tri izoforme.
- ↑ Saiardi, A., Erdjument-Bromage, H., Snowman, A.M., Tempst, P. and Snyder, S.H. (1999). „Synthesis of diphosphoinositol pentakisphosphate by a newly identified family of higher inositol polyphosphate kinases”. Curr. Biol. 9: 1323-1326. PMID 10574768.
- ↑ Schell, M.J., Letcher, A.J., Brearley, C.A., Biber, J., Murer, H. and Irvine, R.F. (1999). „PiUS (Pi uptake stimulator) is an inositol hexakisphosphate kinase”. FEBS Lett. 461: 169-172. PMID 10567691.
- ↑ Albert, C., Safrany, S.T., Bembenek, M.E., Reddy, K.M., Reddy, K.K., Falck, J.-R., Bröcker, M., Shears, S.B. and Mayr, G.W. (1997). „Biological variability in the structures of diphosphoinositol polyphosphates in Dictyostelium discoideum and mammalian cells”. Biochem. J. 327: 553-560. PMID 9359429.
- Nicholas C. Price, Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third izd.). USA: Oxford University Press. ISBN 019850229X.
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