Citidilat kinaza

(Preusmjereno sa stranice UMP/CMP kinase)

Citidilat kinaza (EC 2.7.4.14, citidilatna kinaza, dezoksicitidilatna kinaza, CTP:CMP fosfotransferaza, dCMP kinaza, dezoksicitidinska monofosfokinaza, UMP-CMP kinaza, ATP:UMP-CMP fosfotransferaza, pirimidin nukleozid monofosfatna kinaza, uridin monofosfat-citidin monofosfatna fosfotransferaza) je enzim sa sistematskim imenom ATP:CMP(UMP) fosfotransferaza.[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju

Citidilat kinaza
Identifikatori
EC broj 2.7.4.14
CAS broj 37278-21-0
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum
(1) ATP + (d)CMP ADP + (d)CDP
(2) ATP + UMP ADP + UDP

Ovaj eukariotski enzim je bifunkcionalan. On katalizuje fosforilaciju CMP i UMP molekula sa sličnom efikasnošću.

Reference

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  1. Hurwitz, J. (1959). „The enzymatic incorporation of ribonucleotides into polydeoxynucleotide material”. J. Biol. Chem. 234: 2351-2358. PMID 14405566. 
  2. Ruffner, B.W., Jr. and Anderson, E.P. (1969). „Adenosine triphosphate: uridine monophosphate-cytidine monophosphate phosphotransferase from Tetrahymena pyriformis”. J. Biol. Chem. 244: 5994-6002. PMID 5350952. 
  3. Scheffzek, K., Kliche, W., Wiesmuller, L. and Reinstein, J. (1996). „Crystal structure of the complex of UMP/CMP kinase from Dictyostelium discoideum and the bisubstrate inhibitor P1-(5′-adenosyl) P5-(5′-uridyl) pentaphosphate (UP5A) and Mg2+ at 2.2 Å: implications for water-mediated specificity”. Biochemistry 35: 9716-9727. PMID 8703943. 
  4. Zhou, L., Lacroute, F. and Thornburg, R. (1998). „Cloning, expression in Escherichia coli, and characterization of Arabidopsis thaliana UMP/CMP kinase”. Plant Physiol. 117: 245-254. PMID 9576794. 
  5. Van Rompay, A.R., Johansson, M. and Karlsson, A. (1999). „Phosphorylation of deoxycytidine analog monophosphates by UMP-CMP kinase: molecular characterization of the human enzyme”. Mol. Pharmacol. 56: 562-569. PMID 10462544. 

Literatura

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Spoljašnje veze

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