1.3.7.5: phycocyanobilin:ferredoxin oxidoreductase

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For detailed information about phycocyanobilin:ferredoxin oxidoreductase, go to the full flat file.

Word Map on EC 1.3.7.5

1.3.7.5

bilins

cyanobacteria

ixalpha

tetrapyrrole

chromophore

phytochrome

light-harvesting

synechocystis

phycobiliproteins

ferredoxins

vinyl

four-electron

d-ring

phycobilisomes

phytochromobilin

substrate-free

phycoerythrobilin

light-sensing

biliproteins

antenna

holophytochrome

two-electron

nostoc

apophytochrome

cyanobacteriochromes

photoreversible

phycobilin

cyanophage

fdbrs

reddish

photoactive

phycocyanin

prochlorococcus

proton-donating

myovirus

protein-substrate

hydronium

analysis

Reaction

+ 4 oxidized ferredoxin =

+ 4 reduced ferredoxin

Synonyms

3Z-phycocyanobilin:ferredoxin oxidoreductase, AmPcyAc, AmPcyAp, bilin reductase, FDBR, ferredoxin-dependent biliverdin reductase, ferredoxin:3Z-phycocyanobilin oxidoreductase, HY2 protein, oxidoreductase, ferredoxin:3Z-phycocyanobilin, Pcb:Fd oxidoreductase, PCB:ferredoxin oxidoreductase, PcyA, PCYA1, phycocyanobilin synthase, phycocyanobilin-ferredoxin oxidoreductase, phycocyanobilin:ferredoxin oxidoreductase, SyPcyA

ECTree

1 Oxidoreductases

1.3 Acting on the CH-CH group of donors

1.3.7 With an iron-sulfur protein as acceptor

1.3.7.5 phycocyanobilin:ferredoxin oxidoreductase

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Results	in table
1	Activating Compound
702	AA Sequence
7	Application
1	CAS Registry Number
24	Cloned(Commentary)
11	Cofactor
11	Crystallization (Commentary)
40	General Information
1	Inhibitors
5	Localization
4	Metals/Ions
5	Molecular Weight [Da]
20	Natural Substrates/ Products (Substrates)
89	Organism
4	Pathway
31	PDB ID
6	pH Optimum
42	Protein Variants
15	Purification (Commentary)
1	Reaction
3	Reaction Type
45	Reference
2	Storage Stability
66	Substrates and Products (Substrate)
11	Subunits
68	Synonyms
1	Systematic Name
3	Temperature Optimum [°C]

Systematic Name

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Systematic Name on EC 1.3.7.5 - phycocyanobilin:ferredoxin oxidoreductase

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(3Z)-phycocyanobilin:ferredoxin oxidoreductase

Catalyses the four-electron reduction of biliverdin IXalpha (2-electron reduction at both the A and D rings). Reaction proceeds via an isolatable 2-electron intermediate, 181,182-dihydrobiliverdin. Flavodoxins can be used instead of ferredoxin. The direct conversion of biliverdin IXalpha (BV) to (3Z)-phycocyanolbilin (PCB) in the cyanobacteria Synechocystis sp. PCC 6803, Anabaena sp. PCC7120 and Nostoc punctiforme is in contrast to the proposed pathways of PCB biosynthesis in the red alga Cyanidium caldarium, which involves (3Z)-phycoerythrobilin (PEB) as an intermediate [2] and in the green alga Mesotaenium caldariorum, in which PCB is an isolable intermediate.