“Phytochromobilin:ferredoxin oxidoreductase”的意思、由来-开放百科全书

词条

Phytochromobilin:ferredoxin oxidoreductase

释义

References

{{enzyme
| Name = phytochromobilin:ferredoxin oxidoreductase
| EC_number = 1.3.7.4
| CAS_number = 138263-99-7
| IUBMB_EC_number = 1/3/7/4
| GO_code = 0050619
| image =
| width =
| caption =
}}

In enzymology, a phytochromobilin:ferredoxin oxidoreductase ({{EC number|1.3.7.4}}) is an enzyme that catalyzes the chemical reaction

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

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.

References

{{cite journal | vauthors = Frankenberg N, Mukougawa K, Kohchi T, Lagarias JC | date = 2001 | title = Functional genomic analysis of the HY2 family of ferredoxin-dependent bilin reductases from oxygenic photosynthetic organisms | journal = Plant Cell | volume = 13 | pages = 965–78 | pmid = 11283349 | doi = 10.1105/tpc.13.4.965 | issue = 4 | pmc = 135530 }}
{{cite journal | vauthors = McDowell MT, Lagarias JC | date = 2001 | title = Purification and biochemical properties of phytochromobilin synthase from etiolated oat seedlings | journal = Plant Physiol. | volume = 126 | pages = 1546–54 | pmid = 11500553 | doi = 10.1104/pp.126.4.1546 | issue = 4 | pmc = 117154 }}
{{cite journal | vauthors = Terry MJ, Wahleithner JA, Lagarias JC | date = 1993 | title = Biosynthesis of the plant photoreceptor phytochrome | journal = Arch. Biochem. Biophys. | volume = 306 | pages = 1–15 | pmid = 8215388 | doi = 10.1006/abbi.1993.1473 | issue = 1 }}

2 : EC 1.3.7|Enzymes of unknown structure

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