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P09191 (PSBF_SYNY3) Reviewed, UniProtKB/Swiss-Prot

Last modified April 16, 2014. Version 111. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Interactions·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Cytochrome b559 subunit beta
Alternative name(s):
PSII reaction center subunit VI
Gene names
Name:psbF
Ordered Locus Names:smr0006
OrganismSynechocystis sp. (strain PCC 6803 / Kazusa) [Reference proteome] [HAMAP]
Taxonomic identifier1111708 [NCBI]
Taxonomic lineageBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesSynechocystis

Protein attributes

Sequence length44 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

This b-type cytochrome is tightly associated with the reaction center of photosystem II and possibly is part of the water-oxidation complex By similarity. HAMAP-Rule MF_00643

Subunit structure

Heterodimer of an alpha subunit and a beta subunit By similarity.

Subcellular location

Cellular thylakoid membrane; Single-pass membrane protein By similarity HAMAP-Rule MF_00643.

Sequence similarities

Belongs to the PsbE/PsbF family.

Binary interactions

With

Entry

#Exp.

IntAct

Notes

itself7EBI-701712,EBI-701712

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Initiator methionine11Removed HAMAP-Rule MF_00643
Chain2 – 4443Cytochrome b559 subunit beta HAMAP-Rule MF_00643
PRO_0000200478

Regions

Topological domain2 – 1817Stromal Potential
Transmembrane19 – 3921Helical; Potential
Topological domain40 – 445Lumenal Potential

Sites

Metal binding231Iron (heme axial ligand); shared with alpha subunit

Experimental info

Mutagenesis231H → L: Complete loss of activity. Ref.3

Sequences

Sequence LengthMass (Da)Tools
P09191 [UniParc].

Last modified January 23, 2007. Version 3.
Checksum: 9A4E1F762B213436

FASTA444,933
        10         20         30         40 
MATQNPNQPV TYPIFTVRWL AVHTLAVPSV FFVGAIAAMQ FIQR 

« Hide

References

« Hide 'large scale' references
[1]"Targeted mutagenesis of the psbE and psbF genes blocks photosynthetic electron transport: evidence for a functional role of cytochrome b559 in photosystem II."
Pakrasi H.B., Williams J.G.K., Arntzen C.J.
EMBO J. 7:325-332(1988) [PubMed] [Europe PMC] [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. expand/collapse author list , Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.
DNA Res. 3:109-136(1996) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: PCC 6803 / Kazusa.
[3]"Site directed mutagenesis of the heme axial ligands of cytochrome b559 affects the stability of the photosystem II complex."
Pakrasi H.B., de Ciechi P., Whitmarsh J.
EMBO J. 10:1619-1627(1991) [PubMed] [Europe PMC] [Abstract]
Cited for: MUTAGENESIS OF HIS-23.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
M33897 Genomic DNA. Translation: AAA27300.1.
BA000022 Genomic DNA. Translation: BAA17093.1.
PIRF2YB4. S00339.
RefSeqNP_440413.1. NC_000911.1.
YP_005650471.1. NC_017277.1.
YP_007450297.1. NC_020286.1.

3D structure databases

ProteinModelPortalP09191.
SMRP09191. Positions 8-44.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

IntActP09191. 2 interactions.
MINTMINT-8416997.
STRING1148.smr0006.

Proteomic databases

PaxDbP09191.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaBAA17093; BAA17093; BAA17093.
GeneID12256161.
14615945.
953713.
KEGGsyn:smr0006.
syy:SYNGTS_0518.
syz:MYO_15230.
PATRIC23837986. VBISynSp132158_0562.

Phylogenomic databases

eggNOGNOG09649.
HOGENOMHOG000091420.
KOK02708.
OrthoDBEOG6B0B10.
ProtClustDBPRK02561.

Family and domain databases

HAMAPMF_00643. PSII_PsbF.
InterProIPR006241. PSII_cyt_b559_bsu.
IPR006216. PSII_cyt_b559_CS.
IPR013081. PSII_cyt_b559_N.
[Graphical view]
PfamPF00283. Cytochrom_B559. 1 hit.
[Graphical view]
PIRSFPIRSF000037. PsbF. 1 hit.
TIGRFAMsTIGR01333. cyt_b559_beta. 1 hit.
PROSITEPS00537. CYTOCHROME_B559. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry namePSBF_SYNY3
AccessionPrimary (citable) accession number: P09191
Entry history
Integrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: January 23, 2007
Last modified: April 16, 2014
This is version 111 of the entry and version 3 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

Synechocystis PCC 6803

Synechocystis (strain PCC 6803): entries and gene names

SIMILARITY comments

Index of protein domains and families