phycoerythrobilin synthase EC#: 1.3.7.6; ChemWhat Code: 1374143

Product Name phycoerythrobilin synthase
Example Structure Example Structure of phycoerythrobilin synthase EC#: 1.3.7.6
Synonyms PEB synthase, PebA, PebB, PebS, phycoerythrobilin synthase
EC Number 1.3.7.6
CAS Registry Number
Comments This enzyme, from a cyanophage infecting oceanic cyanobacteria of the Prochlorococcus genus, uses a four-electron reduction to carry out the reactions catalysed by EC 1.3.7.2 (15,16-dihydrobiliverdin:ferredoxin oxidoreductase) and EC 1.3.7.3 (phycoerythrobilin:ferredoxin oxidoreductase). 15,16-Dihydrobiliverdin is formed as a bound intermediate. Free 15,16-dihydrobiliverdin can also act as a substrate to form phycoerythrobilin.
Cofactor
History
Reactions (3Z)-phycoerythrobilin + 2 oxidized ferredoxin = biliverdin IX-alpha + 2 reduced ferredoxin.

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