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A9BE84

- UCRI_PROM4

UniProt

A9BE84 - UCRI_PROM4

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Protein

Cytochrome b6-f complex iron-sulfur subunit

Gene

petC

Organism
Prochlorococcus marinus (strain MIT 9211)
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.UniRule annotation

Catalytic activityi

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

Cofactori

[2Fe-2S] clusterUniRule annotationNote: Binds 1 [2Fe-2S] cluster per subunit.UniRule annotation

Sites

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

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

Enzyme and pathway databases

BioCyciPMAR93059:GHJV-480-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome b6-f complex iron-sulfur subunitUniRule annotation (EC:1.10.9.1UniRule annotation)
Alternative name(s):
Plastohydroquinone:plastocyanin oxidoreductase iron-sulfur proteinUniRule annotation
Short name:
ISPUniRule annotation
Short name:
RISPUniRule annotation
Rieske iron-sulfur proteinUniRule annotation
Gene namesi
Name:petCUniRule annotation
Ordered Locus Names:P9211_04631
OrganismiProchlorococcus marinus (strain MIT 9211)
Taxonomic identifieri93059 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaProchloralesProchlorococcaceaeProchlorococcus
ProteomesiUP000000788: Chromosome

Subcellular locationi

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

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei20 – 4223HelicalUniRule annotationAdd
BLAST

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. thylakoid membrane Source: UniProtKB-HAMAP
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 subunitPRO_1000142569Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi112 ↔ 127UniRule annotation

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.UniRule annotation

Protein-protein interaction databases

STRINGi93059.P9211_04631.

Structurei

3D structure databases

ProteinModelPortaliA9BE84.
SMRiA9BE84. Positions 8-177.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

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

Sequence similaritiesi

Contains 1 Rieske domain.UniRule annotation

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.
IPR006311. TAT_signal.
[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.
PS51318. TAT. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

A9BE84-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MTQMTPSDVP SMGRRQFMNL LTFGTATGVA LGALYPVANY FMPLRAGGGG
60 70 80 90 100
GGTSAKDELG NPITASGWLS NHPAGDRSLV QGLKGDPTYL IVEGSEAIGN
110 120 130 140 150
FGINAICTHL GCVVPWNSGA NKYICPCHGS QYDANGKVVR GPAPLSLALA
160 170
HIDVEDDKVF VSQWAETDFR TGEKPWWT
Length:178
Mass (Da):18,858
Last modified:January 15, 2008 - v1
Checksum:i2552824A7D1DB4E4
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000878 Genomic DNA. Translation: ABX08394.1.
RefSeqiWP_012195017.1. NC_009976.1.
YP_001550348.1. NC_009976.1.

Genome annotation databases

EnsemblBacteriaiABX08394; ABX08394; P9211_04631.
GeneIDi5730314.
KEGGipmj:P9211_04631.
PATRICi22986412. VBIProMar136502_0491.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000878 Genomic DNA. Translation: ABX08394.1 .
RefSeqi WP_012195017.1. NC_009976.1.
YP_001550348.1. NC_009976.1.

3D structure databases

ProteinModelPortali A9BE84.
SMRi A9BE84. Positions 8-177.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 93059.P9211_04631.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABX08394 ; ABX08394 ; P9211_04631 .
GeneIDi 5730314.
KEGGi pmj:P9211_04631.
PATRICi 22986412. VBIProMar136502_0491.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci PMAR93059:GHJV-480-MONOMER.

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.
IPR006311. TAT_signal.
[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.
PS51318. TAT. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: MIT 9211.

Entry informationi

Entry nameiUCRI_PROM4
AccessioniPrimary (citable) accession number: A9BE84
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: January 15, 2008
Last modified: November 26, 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