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P09191

- PSBF_SYNY3

UniProt

P09191 - PSBF_SYNY3

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Protein

Cytochrome b559 subunit beta

Gene
psbF, smr0006
Organism
Synechocystis sp. (strain PCC 6803 / Kazusa)
Status
Reviewed - Annotation score: 4 out of 5 - Experimental evidence at protein leveli

Functioni

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.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi23 – 231Iron (heme axial ligand); shared with alpha subunit

GO - Molecular functioni

  1. electron carrier activity Source: UniProtKB-HAMAP
  2. heme binding Source: InterPro
  3. identical protein binding Source: IntAct
  4. iron ion binding Source: UniProtKB-HAMAP

GO - Biological processi

  1. photosynthetic electron transport chain Source: InterPro
Complete GO annotation...

Keywords - Biological processi

Electron transport, Photosynthesis, Transport

Keywords - Ligandi

Heme, Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome b559 subunit beta
Alternative name(s):
PSII reaction center subunit VI
Gene namesi
Name:psbF
Ordered Locus Names:smr0006
OrganismiSynechocystis sp. (strain PCC 6803 / Kazusa)
Taxonomic identifieri1111708 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesSynechocystis
ProteomesiUP000001425: Chromosome

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini2 – 1817Stromal Reviewed predictionAdd
BLAST
Transmembranei19 – 3921Helical; Reviewed predictionAdd
BLAST
Topological domaini40 – 445Lumenal Reviewed prediction

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. photosystem II reaction center Source: InterPro
  3. plasma membrane-derived thylakoid photosystem II Source: UniProtKB
  4. thylakoid membrane Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Photosystem II, Thylakoid

Pathology & Biotechi

Mutagenesis

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Mutagenesisi23 – 231H → L: Complete loss of activity. 1 Publication

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11RemovedUniRule annotation
Chaini2 – 4443Cytochrome b559 subunit betaUniRule annotationPRO_0000200478Add
BLAST

Proteomic databases

PaxDbiP09191.

Interactioni

Subunit structurei

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

Binary interactionsi

WithEntry#Exp.IntActNotes
itself7EBI-701712,EBI-701712

Protein-protein interaction databases

IntActiP09191. 2 interactions.
MINTiMINT-8416997.
STRINGi1148.smr0006.

Structurei

3D structure databases

ProteinModelPortaliP09191.
SMRiP09191. Positions 8-44.

Family & Domainsi

Sequence similaritiesi

Belongs to the PsbE/PsbF family.

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiNOG09649.
HOGENOMiHOG000091420.
KOiK02708.
OrthoDBiEOG6B0B10.

Family and domain databases

HAMAPiMF_00643. PSII_PsbF.
InterProiIPR006241. PSII_cyt_b559_bsu.
IPR006216. PSII_cyt_b559_CS.
IPR013081. PSII_cyt_b559_N.
[Graphical view]
PfamiPF00283. Cytochrom_B559. 1 hit.
[Graphical view]
PIRSFiPIRSF000037. PsbF. 1 hit.
TIGRFAMsiTIGR01333. cyt_b559_beta. 1 hit.
PROSITEiPS00537. CYTOCHROME_B559. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P09191-1 [UniParc]FASTAAdd to Basket

« Hide

MATQNPNQPV TYPIFTVRWL AVHTLAVPSV FFVGAIAAMQ FIQR         44
Length:44
Mass (Da):4,933
Last modified:January 23, 2007 - v3
Checksum:i9A4E1F762B213436
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M33897 Genomic DNA. Translation: AAA27300.1.
BA000022 Genomic DNA. Translation: BAA17093.1.
PIRiS00339. F2YB4.
RefSeqiNP_440413.1. NC_000911.1.
YP_005650471.1. NC_017277.1.
YP_007450297.1. NC_020286.1.

Genome annotation databases

EnsemblBacteriaiBAA17093; BAA17093; BAA17093.
GeneIDi953713.
KEGGisyn:smr0006.
syy:SYNGTS_0518.
syz:MYO_15230.
PATRICi23837986. VBISynSp132158_0562.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M33897 Genomic DNA. Translation: AAA27300.1 .
BA000022 Genomic DNA. Translation: BAA17093.1 .
PIRi S00339. F2YB4.
RefSeqi NP_440413.1. NC_000911.1.
YP_005650471.1. NC_017277.1.
YP_007450297.1. NC_020286.1.

3D structure databases

ProteinModelPortali P09191.
SMRi P09191. Positions 8-44.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

IntActi P09191. 2 interactions.
MINTi MINT-8416997.
STRINGi 1148.smr0006.

Proteomic databases

PaxDbi P09191.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai BAA17093 ; BAA17093 ; BAA17093 .
GeneIDi 953713.
KEGGi syn:smr0006.
syy:SYNGTS_0518.
syz:MYO_15230.
PATRICi 23837986. VBISynSp132158_0562.

Phylogenomic databases

eggNOGi NOG09649.
HOGENOMi HOG000091420.
KOi K02708.
OrthoDBi EOG6B0B10.

Family and domain databases

HAMAPi MF_00643. PSII_PsbF.
InterProi IPR006241. PSII_cyt_b559_bsu.
IPR006216. PSII_cyt_b559_CS.
IPR013081. PSII_cyt_b559_N.
[Graphical view ]
Pfami PF00283. Cytochrom_B559. 1 hit.
[Graphical view ]
PIRSFi PIRSF000037. PsbF. 1 hit.
TIGRFAMsi TIGR01333. cyt_b559_beta. 1 hit.
PROSITEi PS00537. CYTOCHROME_B559. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  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.
    , 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.

Entry informationi

Entry nameiPSBF_SYNY3
AccessioniPrimary (citable) accession number: P09191
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: January 23, 2007
Last modified: July 9, 2014
This is version 113 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. Synechocystis PCC 6803
    Synechocystis (strain PCC 6803): entries and gene names

External Data

Dasty 3

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