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UniProt functional annotation for Q55891 | ||
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| UniProt code: Q55891. |
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| Organism: | |
Synechocystis sp. (strain PCC 6803 / Kazusa). |
| Taxonomy: | |
Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis; unclassified Synechocystis. |
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| Function: | |
Catalyzes the four-electron reduction of biliverdin IX-alpha (2-electron reduction at both the A and D rings); the reaction proceeds via an isolatable 2-electron intermediate, 181,182-dihydrobiliverdin. {ECO:0000250}. |
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| Catalytic activity: | |
Reaction=(2R,3Z)-phycocyanobilin + 4 oxidized [2Fe-2S]-[ferredoxin] = biliverdin IXalpha + 4 H(+) + 4 reduced [2Fe-2S]-[ferredoxin]; Xref=Rhea:RHEA:15309, Rhea:RHEA-COMP:10000, Rhea:RHEA-COMP:10001, ChEBI:CHEBI:15378, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, ChEBI:CHEBI:57437, ChEBI:CHEBI:57991; EC=1.3.7.5; |
| Similarity: | |
Belongs to the HY2 family. {ECO:0000305}. |
Annotations taken from UniProtKB at the EBI.