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P83797

- PETG_MASLA

UniProt

P83797 - PETG_MASLA

Protein

Cytochrome b6-f complex subunit 5

Gene

petG

Organism
Mastigocladus laminosus (Fischerella sp.)
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.

    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

    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
    OrganismiMastigocladus laminosus (Fischerella sp.)
    Taxonomic identifieri83541 [NCBI]
    Taxonomic lineageiBacteriaCyanobacteriaStigonematalesMastigocladus

    Subcellular locationi

    GO - Cellular componenti

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

    Keywords - Cellular componenti

    Membrane, Thylakoid

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 3737Cytochrome b6-f complex subunit 5PRO_0000216411Add
    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 – 3027
    Turni34 – 363

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    EntryMethodResolution (Å)ChainPositionsPDBsum
    1VF5X-ray3.00G/T1-37[»]
    2D2CX-ray3.80G/T1-37[»]
    2E74X-ray3.00G1-37[»]
    2E75X-ray3.55G1-37[»]
    2E76X-ray3.41G1-37[»]
    4H0LX-ray3.25G1-37[»]
    4H13X-ray3.07G1-37[»]
    4I7ZX-ray2.80G1-37[»]
    ProteinModelPortaliP83797.
    SMRiP83797. Positions 1-37.
    ModBaseiSearch...
    MobiDBiSearch...

    Miscellaneous databases

    EvolutionaryTraceiP83797.

    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

    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.

    P83797-1 [UniParc]FASTAAdd to Basket

    « Hide

    MVEPLLDGLV LGLVFATLGG LFYAAYQQYK RPNELGG                 37
    Length:37
    Mass (Da):4,015
    Last modified:March 15, 2004 - v1
    Checksum:iD7587090FF339BFB
    GO

    Cross-referencesi

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    Entry Method Resolution (Å) Chain Positions PDBsum
    1VF5 X-ray 3.00 G/T 1-37 [» ]
    2D2C X-ray 3.80 G/T 1-37 [» ]
    2E74 X-ray 3.00 G 1-37 [» ]
    2E75 X-ray 3.55 G 1-37 [» ]
    2E76 X-ray 3.41 G 1-37 [» ]
    4H0L X-ray 3.25 G 1-37 [» ]
    4H13 X-ray 3.07 G 1-37 [» ]
    4I7Z X-ray 2.80 G 1-37 [» ]
    ProteinModelPortali P83797.
    SMRi P83797. Positions 1-37.
    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Miscellaneous databases

    EvolutionaryTracei P83797.

    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. "Structure of the cytochrome b6f complex of oxygenic photosynthesis: tuning the cavity."
      Kurisu G., Zhang H., Smith J.L., Cramer W.A.
      Science 302:1009-1014(2003) [PubMed] [Europe PMC] [Abstract]
      Cited for: X-RAY CRYSTALLOGRAPHY (3.0 ANGSTROMS).

    Entry informationi

    Entry nameiPETG_MASLA
    AccessioniPrimary (citable) accession number: P83797
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: April 13, 2004
    Last sequence update: March 15, 2004
    Last modified: October 1, 2014
    This is version 56 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    3D-structure

    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