The Enzyme Database

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Accepted name: 1H-pyrrole-2-carbonyl-[peptidyl-carrier protein] chlorinase
Reaction: 1H-pyrrole-2-carbonyl-[PltL peptidyl-carrier protein] + 2 FADH2 + 2 chloride + 2 O2 = 4,5-dichloro-1H-pyrrole-2-carbonyl-[PltL peptidyl-carrier protein] + 2 FAD + 4 H2O (overall reaction)
(1a) 1H-pyrrole-2-carbonyl-[PltL peptidyl-carrier protein] + FADH2 + chloride + O2 = 5-chloro-1H-pyrrole-2-carbonyl-[PltL peptidyl-carrier protein] + FAD + 2 H2O
(1b) 5-chloro-1H-pyrrole-2-carbonyl-[PltL peptidyl-carrier protein] + FADH2 + chloride + O2 = 4,5-dichloro-1H-pyrrole-2-carbonyl-[PltL peptidyl-carrier protein] + FAD + 2 H2O
Glossary: pyoluteorin = 4,5-dichloro-1H-pyrrol-2-yl 2,6-dihydroxyphenyl
Other name(s): pltA (gene name)
Systematic name: 1H-pyrrole-2-carbonyl-[peptidyl-carrier protein]:FADH2 oxidoreductase (chlorinating)
Comments: The enzyme, characterized from the bacterium Pseudomonas protegens Pf-5, is a flavin-dependent chlorinase that participates in the biosynthesis of the antibacterial and antifungal compound pyoluteorin.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Nowak-Thompson, B., Chaney, N., Wing, J.S., Gould, S.J. and Loper, J.E. Characterization of the pyoluteorin biosynthetic gene cluster of Pseudomonas fluorescens Pf-5. J. Bacteriol. 181 (1999) 2166–2174. [DOI] [PMID: 10094695]
2.  Dorrestein, P.C., Yeh, E., Garneau-Tsodikova, S., Kelleher, N.L. and Walsh, C.T. Dichlorination of a pyrrolyl-S-carrier protein by FADH2-dependent halogenase PltA during pyoluteorin biosynthesis. Proc. Natl. Acad. Sci. USA 102 (2005) 13843–13848. [DOI] [PMID: 16162666]
3.  Pang, A.H., Garneau-Tsodikova, S. and Tsodikov, O.V. Crystal structure of halogenase PltA from the pyoluteorin biosynthetic pathway. J. Struct. Biol. 192 (2015) 349–357. [DOI] [PMID: 26416533]
[EC created 2018]

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