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{{Infobox enzyme
| Name = Phycoerythrobilin synthase
| EC_number = 1.3.7.6
| CAS_number = 
| IUBMB_EC_number = 1/3/7/6
| GO_code = 
| image = 
| width = 
| caption =
}}
'''Phycoerythrobilin synthase''' ({{EC number|1.3.7.6}}, ''PebS'') is an [[enzyme]] with system name ''(3Z)-phycoerythrobilin:ferredoxin oxidoreductase (from biliverdin IX alpha)''.<ref>{{cite journal | title = Efficient phage-mediated pigment biosynthesis in oceanic cyanobacteria |author = Dammeyer, T., Bagby, S.C., Sullivan, M.B., Chisholm, S.W. and Frankenberg-Dinkel, N. |journal = Curr. Biol. |year = 2008 |volume = 18 |pages = 442–448 |pmid = 18356052 |doi=10.1016/j.cub.2008.02.067 |issue=6}}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: (3Z)-[[phycoerythrobilin]] + 2 oxidized [[ferredoxin]] <math>\rightleftharpoons</math> [[biliverdin]] IX alpha + 2 reduced ferredoxin

This enzyme, from a [[cyanophage]] infecting oceanic [[cyanobacteria]] of the [[Prochlorococcus]] genus.

== References ==
{{reflist}}

== External links ==
* {{MeshName|Phycoerythrobilin+synthase}}

[[Category:EC 1.3.7]]