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P0C0Y1

- LHB1_RHOSH

UniProt

P0C0Y1 - LHB1_RHOSH

Protein

Light-harvesting protein B-875 beta chain

Gene

pufB

Organism
Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli
  1. Functioni

    Antenna complexes are light-harvesting systems, which transfer the excitation energy to the reaction centers.

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi21 – 211Magnesium (bacteriochlorophyll axial ligand)
    Metal bindingi39 – 391Magnesium (bacteriochlorophyll axial ligand)

    GO - Molecular functioni

    1. bacteriochlorophyll binding Source: UniProtKB-KW
    2. electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity Source: InterPro
    3. metal ion binding Source: UniProtKB-KW

    GO - Biological processi

    1. photosynthesis, light reaction Source: InterPro
    2. protein-chromophore linkage Source: UniProtKB-KW

    Keywords - Molecular functioni

    Light-harvesting polypeptide

    Keywords - Ligandi

    Bacteriochlorophyll, Chlorophyll, Chromophore, Magnesium, Metal-binding

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Light-harvesting protein B-875 beta chain
    Alternative name(s):
    Antenna pigment protein beta chain
    LH-3A
    Gene namesi
    Name:pufB
    OrganismiRhodobacter sphaeroides (Rhodopseudomonas sphaeroides)
    Taxonomic identifieri1063 [NCBI]
    Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhodobacteralesRhodobacteraceaeRhodobacter

    Subcellular locationi

    GO - Cellular componenti

    1. integral component of membrane Source: UniProtKB-KW
    2. plasma membrane Source: UniProtKB-SubCell
    3. plasma membrane light-harvesting complex Source: InterPro

    Keywords - Cellular componenti

    Antenna complex, Cell inner membrane, Cell membrane, Membrane

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Initiator methioninei1 – 11Removed1 Publication
    Chaini2 – 4948Light-harvesting protein B-875 beta chainPRO_0000099833Add
    BLAST

    Interactioni

    Subunit structurei

    The core complex is formed by different alpha and beta chains, binding bacteriochlorophyll molecules, and arranged most probably in tetrameric structures disposed around the reaction center. The non-pigmented gamma chains may constitute additional components.

    Structurei

    Secondary structure

    1
    49
    Legend: HelixTurnBeta strand
    Show more details
    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Helixi5 – 84
    Helixi9 – 2012
    Helixi22 – 3110
    Helixi34 – 4411
    Turni46 – 483

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    EntryMethodResolution (Å)ChainPositionsPDBsum
    1DX7NMR-A2-49[»]
    1JO5NMR-A2-49[»]
    ProteinModelPortaliP0C0Y1.
    SMRiP0C0Y1. Positions 2-49.
    ModBaseiSearch...
    MobiDBiSearch...

    Miscellaneous databases

    EvolutionaryTraceiP0C0Y1.

    Topological domain

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Topological domaini2 – 2726CytoplasmicAdd
    BLAST
    Topological domaini46 – 494Periplasmic

    Transmembrane

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transmembranei28 – 4518Helical; Signal-anchor for type II membrane proteinAdd
    BLAST

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the antena complex beta subunit family.Curated

    Keywords - Domaini

    Signal-anchor, Transmembrane, Transmembrane helix

    Family and domain databases

    InterProiIPR000066. Antenna_a/b.
    IPR002362. Antenna_beta.
    IPR023623. Antenna_beta_CS.
    [Graphical view]
    PfamiPF00556. LHC. 1 hit.
    [Graphical view]
    PIRSFiPIRSF002900. Antenna_beta. 1 hit.
    PRINTSiPR00674. LIGHTHARVSTB.
    SUPFAMiSSF56918. SSF56918. 1 hit.
    PROSITEiPS00969. ANTENNA_COMP_BETA. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

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

    P0C0Y1-1 [UniParc]FASTAAdd to Basket

    « Hide

    MADKSDLGYT GLTDEQAQEL HSVYMSGLWP FSAVAIVAHL AVYIWRPWF    49
    Length:49
    Mass (Da):5,572
    Last modified:January 23, 2007 - v2
    Checksum:i8C5B2F647A157582
    GO

    Sequence databases

    PIRiB27760. LBRFAS.

    Cross-referencesi

    Sequence databases

    PIRi B27760. LBRFAS.

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    Entry Method Resolution (Å) Chain Positions PDBsum
    1DX7 NMR - A 2-49 [» ]
    1JO5 NMR - A 2-49 [» ]
    ProteinModelPortali P0C0Y1.
    SMRi P0C0Y1. Positions 2-49.
    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Miscellaneous databases

    EvolutionaryTracei P0C0Y1.

    Family and domain databases

    InterProi IPR000066. Antenna_a/b.
    IPR002362. Antenna_beta.
    IPR023623. Antenna_beta_CS.
    [Graphical view ]
    Pfami PF00556. LHC. 1 hit.
    [Graphical view ]
    PIRSFi PIRSF002900. Antenna_beta. 1 hit.
    PRINTSi PR00674. LIGHTHARVSTB.
    SUPFAMi SSF56918. SSF56918. 1 hit.
    PROSITEi PS00969. ANTENNA_COMP_BETA. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "The light-harvesting polypeptides of Rhodopseudomonas sphaeroides R-26.1. I. Isolation, purification and sequence analyses."
      Theiler R., Suter F., Wiemken V., Zuber H.
      Hoppe-Seyler's Z. Physiol. Chem. 365:703-719(1984) [PubMed] [Europe PMC] [Abstract]
      Cited for: PROTEIN SEQUENCE OF 2-49.
      Strain: R-26.1.
    2. "The solution structure of Rhodobacter sphaeroides LH1beta reveals two helical domains separated by a more flexible region: structural consequences for the LH1 complex."
      Conroy M.J., Westerhuis W.H.J., Parkes-Loach P.S., Loach P.A., Hunter C.N., Williamson M.P.
      J. Mol. Biol. 298:83-94(2000) [PubMed] [Europe PMC] [Abstract]
      Cited for: STRUCTURE BY NMR.
      Strain: DD13.

    Entry informationi

    Entry nameiLHB1_RHOSH
    AccessioniPrimary (citable) accession number: P0C0Y1
    Secondary accession number(s): P02951
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: July 21, 1986
    Last sequence update: January 23, 2007
    Last modified: October 1, 2014
    This is version 45 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, Direct protein sequencing

    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