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Q08362

- PETG_CHLRE

UniProt

Q08362 - PETG_CHLRE

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Protein

Cytochrome b6-f complex subunit 5

Gene
petG
Organism
Chlamydomonas reinhardtii (Chlamydomonas smithii)
Status
Reviewed - Annotation score: 3 out of 5 - Experimental evidence at protein leveli

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. PetG is required for either the stability or assembly of the cytochrome b6-f complex By similarity.UniRule annotation

GO - Molecular functioni

  1. electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity Source: UniProtKB-HAMAP

GO - Biological processi

  1. cytochrome complex assembly Source: UniProtKB-HAMAP
  2. oxidation-reduction process Source: UniProtKB-HAMAP
  3. photosynthesis Source: UniProtKB-KW
Complete GO annotation...

Keywords - Biological processi

Electron transport, Photosynthesis, Transport

Enzyme and pathway databases

BioCyciCHLAMY:CHRECP045-MONOMER.
MetaCyc:CHRECP045-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Cytochrome b6-f complex subunit 5
Alternative name(s):
Cytochrome b6-f complex subunit PetG
Cytochrome b6-f complex subunit V
Gene namesi
Name:petG
Encoded oniPlastid; Chloroplast
OrganismiChlamydomonas reinhardtii (Chlamydomonas smithii)
Taxonomic identifieri3055 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeChlorophytaChlorophyceaeChlamydomonadalesChlamydomonadaceaeChlamydomonas
ProteomesiUP000006906: Chloroplast

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei5 – 2521Helical; Reviewed predictionAdd
BLAST

GO - Cellular componenti

  1. chloroplast thylakoid membrane Source: UniProtKB-SubCell
  2. cytochrome b6f complex Source: InterPro
  3. integral component of membrane Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Chloroplast, Membrane, Plastid, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 3737Cytochrome b6-f complex subunit 5UniRule annotationPRO_0000216376Add
BLAST

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.

Structurei

Secondary structure

1
37
Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Helixi4 – 2926

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1Q90X-ray3.10G1-37[»]
ProteinModelPortaliQ08362.
SMRiQ08362. Positions 1-30.

Miscellaneous databases

EvolutionaryTraceiQ08362.

Family & Domainsi

Sequence similaritiesi

Belongs to the PetG family.

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

KOiK02640.

Family and domain databases

HAMAPiMF_00432. Cytb6_f_PetG.
InterProiIPR003683. Cyt_6/f_cplx_su5.
[Graphical view]
PfamiPF02529. PetG. 1 hit.
[Graphical view]
PIRSFiPIRSF000034. Cyt_b6-f_V. 1 hit.
SUPFAMiSSF103446. SSF103446. 1 hit.

Sequencei

Sequence statusi: Complete.

Q08362-1 [UniParc]FASTAAdd to Basket

« Hide

MVEPLLCGIV LGLVPVTIAG LFVTAYLQYL RGDLATY                 37
Length:37
Mass (Da):3,984
Last modified:October 1, 1994 - v1
Checksum:iAC71B49852247A40
GO

Natural variant

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Natural varianti30 – 301L → R in strain: CC-503.

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti7 – 71C → L AA sequence 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X66250 Genomic DNA. Translation: CAA46979.1.
FJ423446 Genomic DNA. Translation: ACJ50132.1.
BK000554 Genomic DNA. Translation: DAA00946.1.
PIRiS26880.
RefSeqiNP_958401.1. NC_005353.1.

Genome annotation databases

EnsemblPlantsiDAA00946; DAA00946; DAA00946.
GeneIDi2716996.
KEGGicre:ChreCp045.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
X66250 Genomic DNA. Translation: CAA46979.1 .
FJ423446 Genomic DNA. Translation: ACJ50132.1 .
BK000554 Genomic DNA. Translation: DAA00946.1 .
PIRi S26880.
RefSeqi NP_958401.1. NC_005353.1.

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
1Q90 X-ray 3.10 G 1-37 [» ]
ProteinModelPortali Q08362.
SMRi Q08362. Positions 1-30.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblPlantsi DAA00946 ; DAA00946 ; DAA00946 .
GeneIDi 2716996.
KEGGi cre:ChreCp045.

Phylogenomic databases

KOi K02640.

Enzyme and pathway databases

BioCyci CHLAMY:CHRECP045-MONOMER.
MetaCyc:CHRECP045-MONOMER.

Miscellaneous databases

EvolutionaryTracei Q08362.

Family and domain databases

HAMAPi MF_00432. Cytb6_f_PetG.
InterProi IPR003683. Cyt_6/f_cplx_su5.
[Graphical view ]
Pfami PF02529. PetG. 1 hit.
[Graphical view ]
PIRSFi PIRSF000034. Cyt_b6-f_V. 1 hit.
SUPFAMi SSF103446. SSF103446. 1 hit.
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Organization and structure of plastome psbF, psbL, petG and ORF712 genes in Chlamydomonas reinhardtii."
    Fong S.E., Surzycki S.J.
    Curr. Genet. 21:527-530(1992) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
  2. "The deletion of petG in Chlamydomonas reinhardtii disrupts the cytochrome bf complex."
    Berthold D.A., Schmidt C.L., Malkin R.
    J. Biol. Chem. 270:29293-29298(1995) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], CHARACTERIZATION.
    Strain: 137c / CC-125.
  3. "Nucleotide diversity of the Chlamydomonas reinhardtii plastid genome: addressing the mutational-hazard hypothesis."
    Smith D.R., Lee R.W.
    BMC Evol. Biol. 9:120-120(2009) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: CC-503.
  4. "Low molecular weight subunits associated with the cytochrome b6f complexes from spinach and Chlamydomonas reinhardtii."
    Schmidt C.L., Malkin R.
    Photosyn. Res. 38:73-81(1993)
    Cited for: PROTEIN SEQUENCE OF 1-15.
    Strain: CC-124.
  5. "The Chlamydomonas reinhardtii plastid chromosome: islands of genes in a sea of repeats."
    Maul J.E., Lilly J.W., Cui L., dePamphilis C.W., Miller W., Harris E.H., Stern D.B.
    Plant Cell 14:2659-2679(2002) [PubMed] [Europe PMC] [Abstract]
    Cited for: IDENTIFICATION, COMPLETE PLASTID GENOME.
  6. "Purification and characterization of the cytochrome b6 f complex from Chlamydomonas reinhardtii."
    Pierre Y., Breyton C., Kramer D., Popot J.-L.
    J. Biol. Chem. 270:29342-29349(1995) [PubMed] [Europe PMC] [Abstract]
    Cited for: CHARACTERIZATION.
    Strain: WT12.
  7. "An atypical haem in the cytochrome b(6)f complex."
    Stroebel D., Choquet Y., Popot J.-L., Picot D.
    Nature 426:413-418(2003) [PubMed] [Europe PMC] [Abstract]
    Cited for: X-RAY CRYSTALLOGRAPHY (3.1 ANGSTROMS) OF 1-37.

Entry informationi

Entry nameiPETG_CHLRE
AccessioniPrimary (citable) accession number: Q08362
Secondary accession number(s): B7U1I5
Entry historyi
Integrated into UniProtKB/Swiss-Prot: October 1, 1994
Last sequence update: October 1, 1994
Last modified: May 14, 2014
This is version 84 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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