To improve security and privacy, we are moving our web pages and services from HTTP to HTTPS.
To give users of web services time to transition to HTTPS, we will support separate HTTP and HTTPS services until the end of 2017.
From January 2018 most HTTP traffic will be automatically redirected to HTTPS. [more...]
View this page in https

ENZYME entry: EC

Accepted Name
Phytochromobilin:ferredoxin oxidoreductase.
Alternative Name(s)
P-Phi-B synthase.
PFB synthase.
Phytochromobilin synthase.
Reaction catalysed
(3Z)-phytochromobilin + 2 oxidized [2Fe-2S] ferredoxin <=> biliverdin IX-alpha + 2 reduced [2Fe-2S] ferredoxin
  • Catalyzes the two-electron reduction of biliverdin IX-alpha.
  • 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.
PRIAM enzyme-specific profiles1.3.7.4
KEGG Ligand Database for Enzyme Nomenclature1.3.7.4
IUBMB Enzyme Nomenclature1.3.7.4
MEDLINEFind literature relating to

View entry in original ENZYME format
View entry in raw text format (no links)

All UniProtKB/Swiss-Prot entries referenced in this entry, with possibility to download in different formats, align etc.
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.3.7.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.3.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.-.-.-