Pentahlorofenol monooksigenaza

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Pentahlorofenol monooksigenaza
Identifikatori
EC broj 1.14.13.50
CAS broj 136111-57-4
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB RCSB PDB PDBe PDBj PDBsum

Pentahlorofenol monooksigenaza (EC 1.14.13.50, pentahlorofenolna dehlorinase, pentahlorofenolna dehalogenaza, pentahlorofenolna 4-monooksigenaza, PCP hidroksilaza, pentahlorofenolna hidroksilaza, PcpB, PCB 4-monooksigenaza, PCB4MO) je enzim sa sistematskim imenom pentahlorofenol,NADPH:kiseonik oksidoreduktaza (hidroksilacija, dehlorinacija).[1][2][3][4][5] Ovaj enzim katalizuje sledeću hemijsku reakciju

(1) pentahlorofenol + 2 NADPH + H+ + O2 2,3,5,6-tetrahlorohidrohinon + 2 NADP+ + hlorid +H2O
(2) 2,3,5,6-tetrahlorofenol + NADPH + H+ + O2 2,3,5,6-tetrahlorohidrohinon + NADP+ +H2O

Ovaj enzim je flavoprotein (FAD).

Reference[uredi | uredi kod]

  1. Schenk, T., Müller, R., Mörsberger, F., Otto, M.K. and Lingens, F. (1989). „Enzymatic dehalogenation of pentachlorophenol by extracts from Arthrobacter sp. strain ATCC 33790”. J. Bacteriol. 171: 5487-5491. PMID 2793827. 
  2. Xun, L., Topp, E. and Orser, C.S. (1992). „Diverse substrate range of a Flavobacterium pentachlorophenol hydroxylase and reaction stoichiometries”. J. Bacteriol. 174: 2898-2902. PMID 1569020. 
  3. Xun, L., Topp, E. and Orser, C.S. (1992). „Confirmation of oxidative dehalogenation of pentachlorophenol by a Flavobacterium pentachlorophenol hydroxylase”. J. Bacteriol. 174: 5745-5747. PMID 1512208. 
  4. Lange, C.C., Schneider, B.J. and Orser, C.S. (1996). „Verification of the role of PCP 4-monooxygenase in chlorine elimination from pentachlorophenol by Flavobacterium sp. strain ATCC 39723”. Biochem. Biophys. Res. Commun. 219: 146-149. PMID 8619798. 
  5. Nakamura, T., Motoyama, T., Hirono, S. and Yamaguchi, I. (2004). „Identification, characterization, and site-directed mutagenesis of recombinant pentachlorophenol 4-monooxygenase”. Biochim. Biophys. Acta 1700: 151-159. PMID 15262224. 

Literatura[uredi | uredi kod]

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