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A2C0R9

- UCRI_PROM1

UniProt

A2C0R9 - UCRI_PROM1

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Protein
Cytochrome b6-f complex iron-sulfur subunit
Gene
petC, NATL1_05171
Organism
Prochlorococcus marinus (strain NATL1A)
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

Enzyme and pathway databases

BioCyciPMAR167555:GI3K-532-MONOMER.

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:NATL1_05171
OrganismiProchlorococcus marinus (strain NATL1A)
Taxonomic identifieri167555 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaProchloralesProchlorococcaceaeProchlorococcus
ProteomesiUP000002592: 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 prediction
Add
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 annotation
PRO_0000298460Add
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

STRINGi167555.NATL1_05171.

Structurei

3D structure databases

ProteinModelPortaliA2C0R9.
SMRiA2C0R9. Positions 8-177.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini71 – 16191Rieske
Add
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.
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.

A2C0R9-1 [UniParc]FASTAAdd to Basket

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MTQMTTADVP SMGRRQFMNL LTFGTVTGVA LGALYPVAQY FTPYRAGGGG    50
GGTNAKDELG NNVSASGWLS THPVGDRSLV QGLKGDPTYL IVEGEDAITS 100
YGINAICTHL GCVVPWNSGA NKYMCPCHGS QYDSTGKVVR GPAPLSLAIA 150
HVSIEDDQVL VSQWTETDFR TGTDPWWG 178
Length:178
Mass (Da):18,904
Last modified:February 20, 2007 - v1
Checksum:iA959F473190880E7
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000553 Genomic DNA. Translation: ABM75079.1.
RefSeqiWP_011294427.1. NC_008819.1.
YP_001014344.1. NC_008819.1.

Genome annotation databases

EnsemblBacteriaiABM75079; ABM75079; NATL1_05171.
GeneIDi4780787.
KEGGipme:NATL1_05171.
PATRICi23018589. VBIProMar31285_0528.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP000553 Genomic DNA. Translation: ABM75079.1 .
RefSeqi WP_011294427.1. NC_008819.1.
YP_001014344.1. NC_008819.1.

3D structure databases

ProteinModelPortali A2C0R9.
SMRi A2C0R9. Positions 8-177.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 167555.NATL1_05171.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ABM75079 ; ABM75079 ; NATL1_05171 .
GeneIDi 4780787.
KEGGi pme:NATL1_05171.
PATRICi 23018589. VBIProMar31285_0528.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci PMAR167555:GI3K-532-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: NATL1A.

Entry informationi

Entry nameiUCRI_PROM1
AccessioniPrimary (citable) accession number: A2C0R9
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 21, 2007
Last sequence update: February 20, 2007
Last modified: September 3, 2014
This is version 63 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