| phytochromobilin:ferredoxin oxidoreductase | |
| Ec Number: | 1.3.7.4 |
| Cas Number: | 138263-99-7 |
| Go Code: | 0050619 |
In enzymology, a phytochromobilin:ferredoxin oxidoreductase is an enzyme that catalyzes the chemical reaction
(3Z)-phytochromobilin + oxidized ferredoxin
\rightleftharpoons
Thus, the two substrates of this enzyme are (3Z)-phytochromobilin and oxidized ferredoxin, whereas its two products are biliverdin IXalpha and reduced ferredoxin.
This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-CH group of donor with an iron-sulfur protein as acceptor. The systematic name of this enzyme class is (3Z)-phytochromobilin:ferredoxin oxidoreductase. Other names in common use include HY2, PPhiB synthase, and phytochromobilin synthase. This enzyme participates in porphyrin and chlorophyll metabolism.