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P26790

- LHB5_RHOAC

UniProt

P26790 - LHB5_RHOAC

Protein

Light-harvesting protein B-800/850 beta chain

Gene
N/A
Organism
Rhodoblastus acidophilus (Rhodopseudomonas acidophila)
Status
Reviewed - Annotation score: 3 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 bindingi12 – 121Magnesium (bacteriochlorophyll axial ligand)Sequence Analysis
    Metal bindingi30 – 301Magnesium (bacteriochlorophyll axial ligand)Sequence Analysis

    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-800/850 beta chain
    Alternative name(s):
    Antenna pigment protein beta chain
    OrganismiRhodoblastus acidophilus (Rhodopseudomonas acidophila)
    Taxonomic identifieri1074 [NCBI]
    Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesBradyrhizobiaceaeRhodoblastus

    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
    Chaini1 – 4141Light-harvesting protein B-800/850 beta chainPRO_0000099819Add
    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
    41
    Legend: HelixTurnBeta strand
    Show more details
    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Helixi5 – 3632

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    EntryMethodResolution (Å)ChainPositionsPDBsum
    1KZUX-ray2.50B/E/H1-41[»]
    1NKZX-ray2.00B/D/F1-41[»]
    2FKWX-ray2.45B/D/F/H/J/L/N/P/S1-41[»]
    ProteinModelPortaliP26790.
    SMRiP26790. Positions 1-41.
    ModBaseiSearch...
    MobiDBiSearch...

    Miscellaneous databases

    EvolutionaryTraceiP26790.

    Topological domain

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Topological domaini1 – 1414CytoplasmicAdd
    BLAST
    Topological domaini37 – 415Periplasmic

    Transmembrane

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transmembranei15 – 3622HelicalAdd
    BLAST

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the antena complex beta subunit family.Curated

    Keywords - Domaini

    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.

    P26790-1 [UniParc]FASTAAdd to Basket

    « Hide

    ATLTAEQSEE LHKYVIDGTR VFLGLALVAH FLAFSATPWL H            41
    Length:41
    Mass (Da):4,554
    Last modified:August 1, 1992 - v1
    Checksum:i60782AF6EA54CFD4
    GO

    Sequence databases

    PIRiS07673.

    Cross-referencesi

    Sequence databases

    PIRi S07673.

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    Entry Method Resolution (Å) Chain Positions PDBsum
    1KZU X-ray 2.50 B/E/H 1-41 [» ]
    1NKZ X-ray 2.00 B/D/F 1-41 [» ]
    2FKW X-ray 2.45 B/D/F/H/J/L/N/P/S 1-41 [» ]
    ProteinModelPortali P26790.
    SMRi P26790. Positions 1-41.
    ModBasei Search...
    MobiDBi Search...

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Miscellaneous databases

    EvolutionaryTracei P26790.

    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 complete amino acid sequences of the B800-850 antenna polypeptides from Rhodopseudomonas acidophila strain 7750."
      Bissig I., Brunisholz R.A., Suter F., Cogdell R.J., Zuber H.
      Z. Naturforsch. C 43:77-83(1988) [PubMed] [Europe PMC] [Abstract]
      Cited for: PROTEIN SEQUENCE.
      Strain: DSM 141 / 7750 / LMG 4302.
    2. Brunisholz R.A., Bissig I., Niederer E., Suter F., Zuber H.
      (In) Biggins J. (eds.); Progress in photosynthesis research, pp.II.1:13-16, Martinus Nijhoff, The Hague (1987)
      Cited for: PROTEIN SEQUENCE.
      Strain: DSM 141 / 7750 / LMG 4302.
    3. "Apoprotein structure in the LH2 complex from Rhodopseudomonas acidophila strain 10050: modular assembly and protein pigment interactions."
      Prince S.M., Papiz M.Z., Freer A.A., McDermott G., Hawthornthwaite-Lawless A.M., Cogdell R.J., Isaacs N.W.
      J. Mol. Biol. 268:412-423(1997) [PubMed] [Europe PMC] [Abstract]
      Cited for: X-RAY CRYSTALLOGRAPHY (2.5 ANGSTROMS).
      Strain: 10050.

    Entry informationi

    Entry nameiLHB5_RHOAC
    AccessioniPrimary (citable) accession number: P26790
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: August 1, 1992
    Last sequence update: August 1, 1992
    Last modified: October 1, 2014
    This is version 84 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, 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