Деацетоксицефалоспорин-C хидроксилаза
Deacetoksicefalosporin-C hidroksilaza (EC 1.14.11.26, deacetilcefalosporinska C sintaza, 3'-metilcefemska hidroksilaza, DACS, DAOC hidroksilaza, deacetoksicefalosporinska C hidroksilaza) je enzim sa sistematskim imenom deacetoksicephalosporin-C,2-oksoglutarat:kiseonik oksidoreduktaza (3-hidroksilacija).[1][2][3][4][5][6][7] Ovaj enzim katalizuje sledeću hemijsku reakciju
Deacetoksicefalosporin-C hidroksilaza | |||||||||
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Identifikatori | |||||||||
EC broj | 1.14.11.26 | ||||||||
CAS broj | 69772-89-0 | ||||||||
Baze podataka | |||||||||
IntEnz | IntEnz pregled | ||||||||
BRENDA | BRENDA pristup | ||||||||
ExPASy | NiceZyme pregled | ||||||||
KEGG | KEGG pristup | ||||||||
MetaCyc | metabolički put | ||||||||
PRIAM | profil | ||||||||
Strukture PBP | RCSB PDB PDBe PDBj PDBsum | ||||||||
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- deacetoksicefalosporin C + 2-oksoglutarat + O2 deacetilcefalosporin C + sukcinat + CO2
Za rad ovog enzima je neophodan Fe2+ jon. Enzim takođe može da koristi 3-eksometilincefalosporin C kao supstrat da formira deacetoksicefalosporin C.
Reference
уреди- ^ Dotzlaf, J.E. & Yeh, W.K. (1987). „Copurification and characterization of deacetoxycephalosporin C synthetase/hydroxylase from Cephalosporium acremonium”. J. Bacteriol. 169: 1611—1618. PMID 3558321.
- ^ Baker, B.J., Dotzlaf, J.E. and Yeh, W.K. (1991). „Deacetoxycephalosporin C hydroxylase of Streptomyces clavuligerus. Purification, characterization, bifunctionality, and evolutionary implication”. J. Biol. Chem. 266: 5087—5093. PMID 2002049.
- ^ Coque, J.J., Enguita, F.J., Cardoza, R.E., Martin, J.F. and Liras, P. (1996). „Characterization of the cefF gene of Nocardia lactamdurans encoding a 3′-methylcephem hydroxylase different from the 7-cephem hydroxylase”. Appl. Microbiol. Biotechnol. 44: 605—609. PMID 8703431.
- ^ Ghag, S.K., Brems, D.N., Hassell, T.C. and Yeh, W.K. (1996). „Refolding and purification of Cephalosporium acremonium deacetoxycephalosporin C synthetase/hydroxylase from granules of recombinant Escherichia coli”. Biotechnol. Appl. Biochem. 24: 109—119. PMID 8865604.
- ^ Lloyd, M.D., Lipscomb, S.J., Hewitson, K.S., Hensgens, C.M., Baldwin, J.E. and Schofield, C.J. (2004). „Controlling the substrate selectivity of deacetoxycephalosporin/deacetylcephalosporin C synthase”. J. Biol. Chem. 279: 15420—15426. PMID 14734549.
- ^ Wu, X.B., Fan, K.Q., Wang, Q.H. and Yang, K.Q. (2005). „C-terminus mutations of Acremonium chrysogenum deacetoxy/deacetylcephalosporin C synthase with improved activity toward penicillin analogs”. FEMS Microbiol. Lett. 246: 103—110. PMID 15869968.
- ^ Martín, J.F., Gutiérrez, S., Fernández, F.J., Velasco, J., Fierro, F., Marcos, A.T. and Kosalkova, K. (1994). „Expression of genes and processing of enzymes for the biosynthesis of penicillins and cephalosporins”. Antonie Van Leeuwenhoek. 65: 227—243. PMID 7847890.
Literatura
уреди- Nicholas C. Price; Lewis Stevens (1999). Fundamentals of Enzymology: The Cell and Molecular Biology of Catalytic Proteins (Third изд.). USA: Oxford University Press. ISBN 019850229X.
- Eric J. Toone (2006). Advances in Enzymology and Related Areas of Molecular Biology, Protein Evolution (Volume 75 изд.). Wiley-Interscience. ISBN 0471205036.
- Branden C; Tooze J. Introduction to Protein Structure. New York, NY: Garland Publishing. ISBN 0-8153-2305-0.
- Irwin H. Segel. Enzyme Kinetics: Behavior and Analysis of Rapid Equilibrium and Steady-State Enzyme Systems (Book 44 изд.). Wiley Classics Library. ISBN 0471303097.
Spoljašnje veze
уреди- Deacetoxycephalosporin-C+hydroxylase на US National Library of Medicine Medical Subject Headings (MeSH)