1.3.7.4: phytochromobilin:ferredoxin oxidoreductase

This is an abbreviated version!
For detailed information about phytochromobilin:ferredoxin oxidoreductase, go to the full flat file.

Word Map on EC 1.3.7.4

Reaction

(3Z)-phytochromobilin
+ 2 oxidized ferredoxin =
biliverdin IXalpha
+ 2 reduced ferredoxin

Synonyms

3Z-phytochromobilin:ferredoxin oxidoreductase, At3g09150, HT-HY2, HY2, PFB synthase, phytochromobilin synthase, PphiB synthase, ZMHy2

ECTree

     1 Oxidoreductases
         1.3 Acting on the CH-CH group of donors
             1.3.7 With an iron-sulfur protein as acceptor
                1.3.7.4 phytochromobilin:ferredoxin oxidoreductase

Systematic Name

Systematic Name on EC 1.3.7.4 - phytochromobilin:ferredoxin oxidoreductase

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SYSTEMATIC NAME
IUBMB Comments
(3Z)-phytochromobilin:ferredoxin oxidoreductase
Catalyses the two-electron reduction of biliverdin IXalpha. Can use [2Fe-2S] ferredoxins from a number of sources as acceptor but not the [4Fe-4S] ferredoxin from Clostridium pasteurianum. The isomerization of (3Z)-phytochromobilin to (3E)-phytochromobilin is thought to occur prior to covalent attachment to apophytochrome in the plant cell cytoplasm. Flavodoxins can be used instead of ferredoxin.