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Q08362

- PETG_CHLRE

UniProt

Q08362 - PETG_CHLRE

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
  1. 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.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

    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 5UniRule annotation
    Alternative name(s):
    Cytochrome b6-f complex subunit PetGUniRule annotation
    Cytochrome b6-f complex subunit VUniRule annotation
    Gene namesi
    Name:petGUniRule annotation
    Encoded oniPlastid; Chloroplast
    OrganismiChlamydomonas reinhardtii (Chlamydomonas smithii)
    Taxonomic identifieri3055 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeChlorophytaChlorophyceaeChlamydomonadalesChlamydomonadaceaeChlamydomonas
    ProteomesiUP000006906: Chloroplast

    Subcellular locationi

    GO - Cellular componenti

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

    Keywords - Cellular componenti

    Chloroplast, Membrane, Plastid, Thylakoid

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 3737Cytochrome b6-f complex subunit 5PRO_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.
    ModBaseiSearch...
    MobiDBiSearch...

    Miscellaneous databases

    EvolutionaryTraceiQ08362.

    Transmembrane

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transmembranei5 – 2521HelicalUniRule annotationAdd
    BLAST

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the PetG family.UniRule annotation

    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

    Experimental Info

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

    Natural variant

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

    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

    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: October 1, 2014
    This is version 85 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