Reviewed, UniProtKB/Swiss-Prot P27319 (FLAV_SYNY3)

Names and origin

Protein names

Recommended name:
    Flavodoxin

Gene names

Name:	isiB
Ordered Locus Names:	sll0248

Organism

Synechocystis sp. (strain PCC 6803) [Complete proteome] [HAMAP]

Taxonomic identifier

1148 [NCBI]

Taxonomic lineage

Bacteria › Cyanobacteria › Chroococcales › Synechocystis

Protein attributes

Sequence length	170 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at protein level.

General annotation (Comments)

Function	Low-potential electron donor to a number of redox enzymes.
Cofactor	FMN.
Sequence similarities	Belongs to the flavodoxin family. Contains 1 flavodoxin-like domain.
Biophysicochemical properties	Redox potential: E0 are -433 mV and -238 mV.

Ontologies

Keywords
Biological process	Electron transport Transport
Ligand	FMN Flavoprotein
Technical term	Complete proteome Direct protein sequencing
Gene Ontology (GO)
Biological process	electron transport chain Inferred from electronic annotation. Source: UniProtKB-KW transport Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	FMN binding Inferred from electronic annotation. Source: InterPro electron carrier activity Inferred from electronic annotation. Source: InterPro oxidoreductase activity Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 170	170	Flavodoxin		PRO_0000171645
Regions
	Domain	4 – 165	162	Flavodoxin-like
Experimental info
	Sequence conflict	2	1	Missing AA sequence Ref.3
	Sequence conflict	40	1	A → AA AA sequence Ref.3

Sequences

	Sequence		Length	Mass (Da)
	P27319-1 [UniParc]. Last modified June 1, 1994. Version 2. Checksum: B2937F347796BBD9	FASTA	170	18,822
	10 20 30 40 50 60 MTKIGLFYGT QTGNTETIAE LIQKEMGGDS VVDMMDISQA DVDDFRQYSC LIIGCPTWNV 70 80 90 100 110 120 GELQSDWEGF YDQLDEIDFN GKKVAYFGAG DQVGYADNFQ DAMGILEEKI SGLGGKTVGF 130 140 150 160 170 WPTAGYDFDE SKAVKNGKFV GLALDEDNQP ELTELRVKTW VSEIKPILQS

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Sequence of the flavodoxin-encoding gene from the cyanobacterium Synechocystis PCC6803." Poncelet M.G.M., Cassier-Chauvat C.J.S., Chauvat F.R.L. Gene 145:153-154(1994) [PubMed: 8045418] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
[2]	"Sequence analysis of the genome of the unicellular cyanobacterium Synechocystis sp. strain PCC6803. II. Sequence determination of the entire genome and assignment of potential protein-coding regions." Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y., Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T., Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S. , Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S. DNA Res. 3:109-136(1996) [PubMed: 8905231] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[3]	"Ferredoxin and flavodoxin from the cyanobacterium Synechocystis sp PCC 6803." Bottin H., Lagoutte B. Biochim. Biophys. Acta 1101:48-56(1992) [PubMed: 1633177] [Abstract] Cited for: PROTEIN SEQUENCE OF 1-42.

Cross-references

Sequence databases
EMBLGenBankDDBJ	Z27091 Genomic DNA. Translation: CAA81614.1. L25881 Genomic DNA. Translation: AAA27288.1. BA000022 Genomic DNA. Translation: BAA17947.1.
PIR	S38632.
RefSeq	NP_441267.1.
3D structure databases
SMR	P27319. Positions 3-165.
ModBase	Search...
Protein-protein interaction databases
STRING	P27319.
Genome annotation databases
GeneID	954609.
GenomeReviews	Gene locus sll0248 in contig BA000022_GR.
KEGG	syn:sll0248.
NMPDR	fig|1148.1.peg.1368.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	P27319.
OMA	DDKHFVG
Enzyme and pathway databases
BioCyc	SSP1148:SLL0248-MON.
Family and domain databases
InterPro	IPR008254. Flavodoxin/NO_synth. IPR001226. Flavodoxin_CS. IPR010086. Flavodoxin_lc. [Graphical view]
Pfam	PF00258. Flavodoxin_1. 1 hit. [Graphical view]
TIGRFAMs	TIGR01752. flav_long. 1 hit.
PROSITE	PS00201. FLAVODOXIN. 1 hit. PS50902. FLAVODOXIN_LIKE. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

FLAV_SYNY3

Accession

Primary (citable) accession number: P27319

Entry history

Integrated into UniProtKB/Swiss-Prot:	August 1, 1992
Last sequence update:	June 1, 1994
Last modified:	November 24, 2009
This is version 69 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)