The Enzyme Database

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EC 1.14.13.211     
Accepted name: rifampicin monooxygenase
Reaction: rifampicin + NAD(P)H + O2 = 2′-N-hydroxyrifampicin + NAD(P)+ + H2O
Glossary: rifampicin = (2S,12Z,14E,16S,17S,18R,19R,20R,21S,22R,23S,24E)-5,6,9,17,19-pentahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-8-{[(E)-(4-methylpiperazin-1-yl)imino]methyl}-1,11-dioxo-1,2-dihydro-2,7-(epoxypentadeca-1,11,13-trienoimino)nathpho[2,1-b]furan-21-yl acetate
Other name(s): RIF-O
Systematic name: rifampicin:NAD(P)H:oxygen oxidoreductase (2′-N-hydroxyrifampicin-forming)
Comments: The enzyme has been found in the Corynebacteria Rhodococcus equi and Nocardia farcinica. It confers increased resistance to the antibiotic rifampicin by initiating its degradation.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Andersen, S.J., Quan, S., Gowan, B. and Dabbs, E.R. Monooxygenase-like sequence of a Rhodococcus equi gene conferring increased resistance to rifampin by inactivating this antibiotic. Antimicrob. Agents Chemother. 41 (1997) 218–221. [PMID: 8980786]
2.  Hoshino, Y., Fujii, S., Shinonaga, H., Arai, K., Saito, F., Fukai, T., Satoh, H., Miyazaki, Y. and Ishikawa, J. Monooxygenation of rifampicin catalyzed by the rox gene product of Nocardia farcinica: structure elucidation, gene identification and role in drug resistance. J. Antibiot. (Tokyo) 63 (2010) 23–28. [PMID: 19942945]
[EC 1.14.13.211 created 2016]
 
 


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