Urat oksidaza
Urat oksidaza (EC 1.7.3.3, urinsko kiselinska oksidaza, urikaza, urikaza II, uratna-oksidaza) je enzim sa sistematskim imenom urat:kiseonik oksidoreduktaza.[1][2][3][4][5][6] Ovaj enzim katalizuje sledeću hemijsku reakciju
- urat + O2 +H2O 5-hidroksiizourat +H2O2
Enzimu iz zrna soje, plesni Aspergillus flavus i Bacillus subtilis ne sadrže bakar, niti druge jone prelaznih metala.
Reference
- ↑ London, M. and Hudson, P.B. (1956). „Purification and properties of solubilized uricase”. Biochim. Biophys. Acta 21: 290-298. PMID 13363909.
- ↑ Mahler, H.R., Hübscher, G. and Baum, H. (1955). „Studies on uricase. I. Preparation, purification, and properties of a cuproprotein”. J. Biol. Chem. 216: 625-641. PMID 13271340.
- ↑ Robbins, K.C., Barnett, E.L. and Grant, N.H. (1955). „Partial purification of porcine liver uricase”. J. Biol. Chem. 216: 27-35. PMID 13252004.
- ↑ Kahn, K. and Tipton, P.A. (1998). „Spectroscopic characterization of intermediates in the urate oxidase reaction”. Biochemistry 37: 11651-11659. PMID 9709003.
- ↑ Colloc'h, N., el Hajji, M., Bachet, B., L'Hermite, G., Schiltz, M., Prange, T., Castro, B. and Mornon, J.-P. (1997). „Crystal structure of the protein drug urate oxidase-inhibitor complex at 2.05 Å resolution”. Nat. Struct. Biol. 4: 947-952. PMID 9360612.
- ↑ Imhoff, R.D., Power, N.P., Borrok, M.J. and Tipton, P.A. (2003). „General base catalysis in the urate oxidase reaction: evidence for a novel Thr-Lys catalytic diad”. Biochemistry 42: 4094-4100. PMID 12680763.
Literatura
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