A2BQN3 (PCYA_PROMS) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Phycocyanobilin:ferredoxin oxidoreductase
EC=1.3.7.5

Gene names

Name:	pcyA
Ordered Locus Names:	A9601_08081

Organism

Prochlorococcus marinus (strain AS9601) [Complete proteome] [HAMAP]

Taxonomic identifier

146891 [NCBI]

Taxonomic lineage

Bacteria › Cyanobacteria › Prochlorophytes › Prochlorococcaceae › Prochlorococcus

Protein attributes

Sequence length	241 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

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 By similarity. HAMAP MF_00618
Catalytic activity	(3Z)-phycocyanobilin + oxidized ferredoxin = biliverdin IX-alpha + reduced ferredoxin. HAMAP MF_00618
Sequence similarities	Belongs to the HY2 family.

Ontologies

Keywords
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	phytochromobilin biosynthetic process Inferred from electronic annotation. Source: InterPro
Molecular function	cobalt ion binding Inferred from electronic annotation. Source: InterPro phycocyanobilin:ferredoxin oxidoreductase activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 241	241	Phycocyanobilin:ferredoxin oxidoreductase HAMAP MF_00618		PRO_1000190494

Sequences

	Sequence		Length	Mass (Da)
	A2BQN3 [UniParc]. Last modified February 20, 2007. Version 1. Checksum: C10AA57EDC391E91	FASTA	241	28,188
	10 20 30 40 50 60 MLSESLTKSK LTDPLILDLL QNIREHRSML EDLKSIKIDP KLTNIISKEI GRELYIENEF 70 80 90 100 110 120 HKAKGFRKLH IEVAEFSKNL KILHCVFFPD PKFDIPIFGM DLVKINDIVS AAIVDLSPAS 130 140 150 160 170 180 QNQGLKYEKL LSEVDKSSFT SLREIPKWGG IFSNNVFFAS LKRKSEKNDF CRVVDQYLTI 190 200 210 220 230 240 LIKLSKRAKP EVNEEIIQER IDFQKNYCVQ QMKNEKTSMV LLKYFDEKWV NNYIKTVLFD F

References

[1]

"Patterns and implications of gene gain and loss in the evolution of Prochlorococcus." Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S., Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M., Richardson P., Chisholm S.W. PLoS Genet. 3:2515-2528(2007) [PubMed: 18159947] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: AS9601.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000551 Genomic DNA. Translation: ABM70094.1.
RefSeq	YP_001009201.1. NC_008816.1.
3D structure databases
ProteinModelPortal	A2BQN3.
ModBase	Search...
Protein-protein interaction databases
STRING	A2BQN3.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	4717514.
GenomeReviews	Gene locus A9601_08081 in contig CP000551_GR.
KEGG	pmb:A9601_08081.
PATRIC	22983106. VBIProMar75723_0812.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	NOG27460.
HOGENOM	HBG561233.
OMA	NDKTRRV.
PhylomeDB	A2BQN3.
ProtClustDB	PRK02816.
Enzyme and pathway databases
BioCyc	PMAR146891:A9601_08081-MONOMER.
Family and domain databases
HAMAP	MF_00618. Ferredoxin_bilin_red. [Tree]
InterPro	IPR009249. Ferredoxin-dep_bilin_Rdtase. IPR022870. Ferredoxin_bilin_OxRdtase. [Graphical view]
KO	K05371.
Pfam	PF05996. Fe_bilin_red. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

PCYA_PROMS

Accession

Primary (citable) accession number: A2BQN3

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 28, 2009
Last sequence update:	February 20, 2007
Last modified:	December 14, 2011
This is version 33 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program