Q3AXI3 (PCYA_SYNS9) 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:	Syncc9902_1253

Organism

Synechococcus sp. (strain CC9902) [Complete proteome] [HAMAP]

Taxonomic identifier

316279 [NCBI]

Taxonomic lineage

Bacteria › Cyanobacteria › Chroococcales › Synechococcus

Protein attributes

Sequence length	246 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 – 246	246	Phycocyanobilin:ferredoxin oxidoreductase HAMAP MF_00618		PRO_1000061377

Sequences

	Sequence		Length	Mass (Da)
	Q3AXI3 [UniParc]. Last modified November 22, 2005. Version 1. Checksum: A430D1EB983B5BAE	FASTA	246	27,464
	10 20 30 40 50 60 MQPQSKDPCQ ELHPLVSTLA ASIRSSWQKL PELAPLCTAD DLKAIHGELD GETLFIGNEL 70 80 90 100 110 120 YQCRGFRKIH LEIARLGNGL QILHCVWFPD PQYDLPIFGA DIVAGPAGIS AAIVDLSPTS 130 140 150 160 170 180 GELPDPVFKG LEAIERPAFR QVRDLPGWGT IFSSKVCFIR PDGADEEALF NQVVIDYLEV 190 200 210 220 230 240 LSDCASRANP ESPTTVSTIN RYEGQLNYCL QQKRNDKTRR VLEKAFDPEW ADRYIELLLF DNPPTP

References

[1]

"Complete sequence of Synechococcus sp. CC9902." Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T., Hammon N., Israni S., Pitluck S., Martinez M., Schmutz J., Larimer F., Land M., Kyrpides N., Ivanova N., Richardson P. Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: CC9902.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000097 Genomic DNA. Translation: ABB26217.1.
RefSeq	YP_377261.1. NC_007513.1.
3D structure databases
HSSP	HSSP built from PDB template 2D1E based on UniProtKB Q55891.
ProteinModelPortal	Q3AXI3.
ModBase	Search...
Protein-protein interaction databases
STRING	Q3AXI3.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	3743057.
GenomeReviews	Gene locus Syncc9902_1253 in contig CP000097_GR.
KEGG	sye:Syncc9902_1253.
PATRIC	23799863. VBISynSp76179_1392.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	NOG27460.
HOGENOM	HBG561233.
OMA	NDKTRRV.
PhylomeDB	Q3AXI3.
ProtClustDB	PRK02816.
Enzyme and pathway databases
BioCyc	SSP1131-1:SYNCC9902_1253-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_SYNS9

Accession

Primary (citable) accession number: Q3AXI3

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 5, 2008
Last sequence update:	November 22, 2005
Last modified:	January 25, 2012
This is version 37 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program