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P83793

- CYF_MASLA

UniProt

P83793 - CYF_MASLA

Protein

Apocytochrome f

Gene

petA

Organism
Mastigocladus laminosus (Fischerella sp.)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli
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    • History
      Entry version 62 (01 Oct 2014)
      Sequence version 2 (01 Jul 2008)
      Previous versions | rss
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    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.

    Cofactori

    Binds 1 heme group covalently.

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi45 – 451Iron (heme axial ligand); via amino nitrogenBy similarity
    Binding sitei66 – 661Heme (covalent)By similarity
    Binding sitei69 – 691Heme (covalent)By similarity
    Metal bindingi70 – 701Iron (heme axial ligand)By similarity

    GO - Molecular functioni

    1. electron carrier activity Source: UniProtKB-HAMAP
    2. heme binding Source: InterPro
    3. iron ion binding Source: InterPro

    GO - Biological processi

    1. oxidation-reduction process Source: UniProtKB-HAMAP
    2. photosynthesis Source: UniProtKB-HAMAP

    Keywords - Biological processi

    Electron transport, Photosynthesis, Transport

    Keywords - Ligandi

    Heme, Iron, Metal-binding

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Apocytochrome f
    Gene namesi
    Name:petA
    OrganismiMastigocladus laminosus (Fischerella sp.)
    Taxonomic identifieri83541 [NCBI]
    Taxonomic lineageiBacteriaCyanobacteriaStigonematalesMastigocladus

    Subcellular locationi

    GO - Cellular componenti

    1. integral component of thylakoid membrane Source: InterPro

    Keywords - Cellular componenti

    Membrane, Thylakoid

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Signal peptidei1 – 3737Sequence AnalysisAdd
    BLAST
    Chaini38 – 333296Apocytochrome fPRO_0000207977Add
    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
    333
    Legend: HelixTurnBeta strand
    Show more details
    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Helixi46 – 527
    Beta strandi53 – 553
    Helixi65 – 684
    Beta strandi77 – 793
    Beta strandi82 – 843
    Beta strandi89 – 957
    Beta strandi107 – 1093
    Beta strandi115 – 1217
    Helixi131 – 1333
    Helixi136 – 1427
    Beta strandi148 – 1514
    Beta strandi157 – 1648
    Turni165 – 1673
    Beta strandi169 – 1768
    Turni180 – 1823
    Beta strandi189 – 20012
    Beta strandi212 – 2143
    Beta strandi219 – 2224
    Beta strandi227 – 2304
    Beta strandi233 – 2353
    Beta strandi238 – 2425
    Beta strandi245 – 2484
    Beta strandi252 – 2543
    Beta strandi255 – 2595
    Beta strandi283 – 29311
    Helixi296 – 32833
    Turni329 – 3313

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    EntryMethodResolution (Å)ChainPositionsPDBsum
    1VF5X-ray3.00C/P45-333[»]
    2D2CX-ray3.80C/P45-333[»]
    2E74X-ray3.00C45-333[»]
    2E75X-ray3.55C45-333[»]
    2E76X-ray3.41C45-333[»]
    4H0LX-ray3.25C45-333[»]
    4H13X-ray3.07C45-333[»]
    4I7ZX-ray2.80C45-333[»]
    ProteinModelPortaliP83793.
    SMRiP83793. Positions 45-332.
    ModBaseiSearch...
    MobiDBiSearch...

    Miscellaneous databases

    EvolutionaryTraceiP83793.

    Transmembrane

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transmembranei299 – 31921HelicalSequence AnalysisAdd
    BLAST

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the cytochrome f family.Curated

    Keywords - Domaini

    Signal, Transmembrane, Transmembrane helix

    Family and domain databases

    Gene3Di1.20.5.700. 1 hit.
    2.60.40.830. 2 hits.
    HAMAPiMF_00610. Cytb6_f_cytF.
    InterProiIPR024058. Cyt-f_TM.
    IPR002325. Cyt_f.
    IPR024094. Cyt_f_lg_dom.
    IPR011054. Rudment_hybrid_motif.
    [Graphical view]
    PfamiPF01333. Apocytochr_F_C. 1 hit.
    [Graphical view]
    PRINTSiPR00610. CYTOCHROMEF.
    SUPFAMiSSF103431. SSF103431. 1 hit.
    SSF49441. SSF49441. 2 hits.
    SSF51246. SSF51246. 1 hit.
    PROSITEiPS51010. CYTF. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Sequence processingi: The displayed sequence is further processed into a mature form.

    P83793-1 [UniParc]FASTAAdd to Basket

    « Hide

    MRNSCKKARR TRPLKATIQA LLVAIATMTF FFTSDIALPQ SAAAYPFWAQ    50
    QTYPETPREP TGRIVCANCH LAAKPAEVEV PQSVLPDTVF KAVVKIPYDT 100
    KLQQVAADGS KVGLNVGAVL MLPEGFKIAP EERIPEELKK EVGDVYFQPY 150
    KEGQDNVLLV GPLPGEQYQE IVFPVLSPNP TTDKNIHFGK YAIHLGANRG 200
    RGQIYPTGEK SNNNVFTASA TGTITKIAKE EDEYGNVKYQ VSIQTDSGKT 250
    VVDTIPAGPE LIVSEGQAVK AGEALTNNPN VGGFGQDDTE IVLQDPNRVK 300
    WMIAFICLVM LAQLMLILKK KQVEKVQAAE MNF 333
    Length:333
    Mass (Da):36,450
    Last modified:July 1, 2008 - v2
    Checksum:iE768F5C264323061
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AY390356 Genomic DNA. Translation: AAR26241.1.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AY390356 Genomic DNA. Translation: AAR26241.1 .

    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 C/P 45-333 [» ]
    2D2C X-ray 3.80 C/P 45-333 [» ]
    2E74 X-ray 3.00 C 45-333 [» ]
    2E75 X-ray 3.55 C 45-333 [» ]
    2E76 X-ray 3.41 C 45-333 [» ]
    4H0L X-ray 3.25 C 45-333 [» ]
    4H13 X-ray 3.07 C 45-333 [» ]
    4I7Z X-ray 2.80 C 45-333 [» ]
    ProteinModelPortali P83793.
    SMRi P83793. Positions 45-332.
    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Miscellaneous databases

    EvolutionaryTracei P83793.

    Family and domain databases

    Gene3Di 1.20.5.700. 1 hit.
    2.60.40.830. 2 hits.
    HAMAPi MF_00610. Cytb6_f_cytF.
    InterProi IPR024058. Cyt-f_TM.
    IPR002325. Cyt_f.
    IPR024094. Cyt_f_lg_dom.
    IPR011054. Rudment_hybrid_motif.
    [Graphical view ]
    Pfami PF01333. Apocytochr_F_C. 1 hit.
    [Graphical view ]
    PRINTSi PR00610. CYTOCHROMEF.
    SUPFAMi SSF103431. SSF103431. 1 hit.
    SSF49441. SSF49441. 2 hits.
    SSF51246. SSF51246. 1 hit.
    PROSITEi PS51010. CYTF. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Cloning and characterization of the petBD and petCA operon from the thermophilic cyanobacterium Mastigocladus laminosus."
      Yan J., Zhang H., Cramer W.A.
      Submitted (SEP-2003) to the EMBL/GenBank/DDBJ databases
      Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    2. "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 nameiCYF_MASLA
    AccessioniPrimary (citable) accession number: P83793
    Secondary accession number(s): Q5YJJ7
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: April 13, 2004
    Last sequence update: July 1, 2008
    Last modified: October 1, 2014
    This is version 62 of the entry and version 2 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