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A5GMW1

- UCRI_SYNPW

UniProt

A5GMW1 - UCRI_SYNPW

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Protein

Cytochrome b6-f complex iron-sulfur subunit

Gene
petC, SynWH7803_1850
Organism
Synechococcus sp. (strain WH7803)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions By similarity.UniRule annotation

Catalytic activityi

Plastoquinol + 2 oxidized plastocyanin + 2 H+(Side 1) = plastoquinone + 2 reduced plastocyanin + 4 H+(Side 2).UniRule annotation

Cofactori

Binds 1 2Fe-2S cluster per subunit By similarity.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi107 – 1071Iron-sulfur (2Fe-2S) By similarity
Metal bindingi109 – 1091Iron-sulfur (2Fe-2S); via pros nitrogen By similarity
Metal bindingi125 – 1251Iron-sulfur (2Fe-2S) By similarity
Metal bindingi128 – 1281Iron-sulfur (2Fe-2S); via pros nitrogen By similarity

GO - Molecular functioni

  1. 2 iron, 2 sulfur cluster binding Source: UniProtKB-KW
  2. electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity Source: UniProtKB-HAMAP
  3. metal ion binding Source: UniProtKB-KW
  4. plastoquinol--plastocyanin reductase activity Source: UniProtKB-HAMAP
  5. ubiquinol-cytochrome-c reductase activity Source: InterPro

GO - Biological processi

  1. photosynthesis Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Electron transport, Transport

Keywords - Ligandi

2Fe-2S, Iron, Iron-sulfur, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome b6-f complex iron-sulfur subunit (EC:1.10.9.1)
Alternative name(s):
Plastohydroquinone:plastocyanin oxidoreductase iron-sulfur protein
Short name:
ISP
Short name:
RISP
Rieske iron-sulfur protein
Gene namesi
Name:petC
Ordered Locus Names:SynWH7803_1850
OrganismiSynechococcus sp. (strain WH7803)
Taxonomic identifieri32051 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesSynechococcus
ProteomesiUP000001566: Chromosome

Subcellular locationi

Cellular thylakoid membrane; Single-pass membrane protein By similarity
Note: The transmembrane helix obliquely spans the membrane in one monomer, and its extrinsic C-terminal domain is part of the other monomer By similarity.UniRule annotation

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei20 – 4223Helical; Reviewed predictionAdd
BLAST

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. thylakoid membrane Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 178178Cytochrome b6-f complex iron-sulfur subunitUniRule annotationPRO_0000298468Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi112 ↔ 127 By similarity

Keywords - PTMi

Disulfide bond

Interactioni

Subunit structurei

The 4 large subunits of the cytochrome b6-f complex are cytochrome b6, subunit IV (17 kDa polypeptide, PetD), cytochrome f and the Rieske protein, while the 4 small subunits are PetG, PetL, PetM and PetN. The complex functions as a dimer By similarity.

Protein-protein interaction databases

STRINGi32051.SynWH7803_1850.

Structurei

3D structure databases

ProteinModelPortaliA5GMW1.
SMRiA5GMW1. Positions 8-177.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini71 – 16191RieskeAdd
BLAST

Sequence similaritiesi

Contains 1 Rieske domain.

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiCOG0723.
HOGENOMiHOG000255192.
KOiK02636.
OMAiPWTETDF.
OrthoDBiEOG6S52N7.

Family and domain databases

Gene3Di2.102.10.10. 1 hit.
HAMAPiMF_01335. Cytb6_f_Rieske.
InterProiIPR014909. Cyt_b6-f_cplx_Fe-S_su.
IPR023960. Cyt_b6_f_Rieske.
IPR017941. Rieske_2Fe-2S.
IPR014349. Rieske_Fe-S_prot.
IPR005805. Rieske_Fe-S_prot_C.
[Graphical view]
PANTHERiPTHR10134. PTHR10134. 1 hit.
PfamiPF08802. CytB6-F_Fe-S. 1 hit.
PF00355. Rieske. 1 hit.
[Graphical view]
PRINTSiPR00162. RIESKE.
SUPFAMiSSF50022. SSF50022. 1 hit.
PROSITEiPS51296. RIESKE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

A5GMW1-1 [UniParc]FASTAAdd to Basket

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MTQMPAGDVP GMGRRQFMNL LTFGSVTGVA LGALYPVVNY FIPPRAAGSG    50
GGTSAKDELG NAVTASGWLS THPAGDRSLV QGLKGDPTYL IVEGDDAIGS 100
YGINAICTHL GCVVPWNSGA NKFMCPCHGS QYDATGKVVR GPAPLSLALA 150
NVSVENDNVF VSQWTDTDFR TGEKPWWA 178
Length:178
Mass (Da):18,665
Last modified:June 12, 2007 - v1
Checksum:iA5FE69845EACB557
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CT971583 Genomic DNA. Translation: CAK24276.1.
RefSeqiWP_011933748.1. NC_009481.1.
YP_001225573.1. NC_009481.1.

Genome annotation databases

EnsemblBacteriaiCAK24276; CAK24276; SynWH7803_1850.
GeneIDi5147149.
KEGGisyx:SynWH7803_1850.
PATRICi23829895. VBISynSp43824_1896.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CT971583 Genomic DNA. Translation: CAK24276.1 .
RefSeqi WP_011933748.1. NC_009481.1.
YP_001225573.1. NC_009481.1.

3D structure databases

ProteinModelPortali A5GMW1.
SMRi A5GMW1. Positions 8-177.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 32051.SynWH7803_1850.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAK24276 ; CAK24276 ; SynWH7803_1850 .
GeneIDi 5147149.
KEGGi syx:SynWH7803_1850.
PATRICi 23829895. VBISynSp43824_1896.

Phylogenomic databases

eggNOGi COG0723.
HOGENOMi HOG000255192.
KOi K02636.
OMAi PWTETDF.
OrthoDBi EOG6S52N7.

Family and domain databases

Gene3Di 2.102.10.10. 1 hit.
HAMAPi MF_01335. Cytb6_f_Rieske.
InterProi IPR014909. Cyt_b6-f_cplx_Fe-S_su.
IPR023960. Cyt_b6_f_Rieske.
IPR017941. Rieske_2Fe-2S.
IPR014349. Rieske_Fe-S_prot.
IPR005805. Rieske_Fe-S_prot_C.
[Graphical view ]
PANTHERi PTHR10134. PTHR10134. 1 hit.
Pfami PF08802. CytB6-F_Fe-S. 1 hit.
PF00355. Rieske. 1 hit.
[Graphical view ]
PRINTSi PR00162. RIESKE.
SUPFAMi SSF50022. SSF50022. 1 hit.
PROSITEi PS51296. RIESKE. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Genoscope
    Submitted (MAY-2006) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: WH7803.

Entry informationi

Entry nameiUCRI_SYNPW
AccessioniPrimary (citable) accession number: A5GMW1
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 21, 2007
Last sequence update: June 12, 2007
Last modified: September 3, 2014
This is version 59 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Miscellaneous

The Rieske iron-sulfur protein is a high potential 2Fe-2S protein.

Keywords - Technical termi

Complete proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi