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Q3J1A3

- LHB1_RHOS4

UniProt

Q3J1A3 - LHB1_RHOS4

Protein

Light-harvesting protein B-875 beta chain

Gene

pufB

Organism
Rhodobacter sphaeroides (strain ATCC 17023 / 2.4.1 / NCIB 8253 / DSM 158)
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)By similarity
    Metal bindingi39 – 391Magnesium (bacteriochlorophyll axial ligand)By similarity

    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

    Enzyme and pathway databases

    BioCyciRSPH272943:GJAS-1915-MONOMER.

    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
    Ordered Locus Names:RHOS4_18630
    ORF Names:RSP_6108
    OrganismiRhodobacter sphaeroides (strain ATCC 17023 / 2.4.1 / NCIB 8253 / DSM 158)
    Taxonomic identifieri272943 [NCBI]
    Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhodobacteralesRhodobacteraceaeRhodobacter
    ProteomesiUP000002703: Chromosome 1

    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 – 11RemovedBy similarity
    Chaini2 – 4948Light-harvesting protein B-875 beta chainPRO_0000099834Add
    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.

    Protein-protein interaction databases

    STRINGi272943.RSP_6108.

    Structurei

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    EntryMethodResolution (Å)ChainPositionsPDBsum
    4JC9X-ray7.784/6/8/9/E/G/I/K/O/Q/S/U/W/Y1-49[»]
    4JCBX-ray7.784/6/8/9/E/G/I/K/O/Q/S/U/W/Y1-49[»]
    ProteinModelPortaliQ3J1A3.
    SMRiQ3J1A3. Positions 2-49.
    ModBaseiSearch...
    MobiDBiSearch...

    Topological domain

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Topological domaini2 – 2726CytoplasmicBy similarityAdd
    BLAST
    Topological domaini46 – 494PeriplasmicBy similarity

    Transmembrane

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

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the antena complex beta subunit family.Curated

    Keywords - Domaini

    Signal-anchor, Transmembrane, Transmembrane helix

    Phylogenomic databases

    eggNOGiNOG84229.
    HOGENOMiHOG000230332.
    KOiK08927.
    OMAiTASRIHP.
    OrthoDBiEOG6DZF4S.
    PhylomeDBiQ3J1A3.

    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.

    Q3J1A3-1 [UniParc]FASTAAdd to Basket

    « Hide

    MADKSDLGYT GLTDEQAQEL HSVYMSGLWL FSAVAIVAHL AVYIWRPWF    49
    Length:49
    Mass (Da):5,588
    Last modified:January 23, 2007 - v3
    Checksum:i8C5B2F707B557582
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    M15105 Genomic DNA. Translation: AAA26166.1.
    AF195122 Genomic DNA. Translation: AAF24302.1.
    CP000143 Genomic DNA. Translation: ABA79431.1.
    PIRiB27760. LBRFAS.
    RefSeqiYP_353332.1. NC_007493.2.

    Genome annotation databases

    EnsemblBacteriaiABA79431; ABA79431; RSP_6108.
    GeneIDi3719401.
    KEGGirsp:RSP_6108.
    PATRICi23153654. VBIRhoSph57909_2202.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    M15105 Genomic DNA. Translation: AAA26166.1 .
    AF195122 Genomic DNA. Translation: AAF24302.1 .
    CP000143 Genomic DNA. Translation: ABA79431.1 .
    PIRi B27760. LBRFAS.
    RefSeqi YP_353332.1. NC_007493.2.

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    Entry Method Resolution (Å) Chain Positions PDBsum
    4JC9 X-ray 7.78 4/6/8/9/E/G/I/K/O/Q/S/U/W/Y 1-49 [» ]
    4JCB X-ray 7.78 4/6/8/9/E/G/I/K/O/Q/S/U/W/Y 1-49 [» ]
    ProteinModelPortali Q3J1A3.
    SMRi Q3J1A3. Positions 2-49.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 272943.RSP_6108.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai ABA79431 ; ABA79431 ; RSP_6108 .
    GeneIDi 3719401.
    KEGGi rsp:RSP_6108.
    PATRICi 23153654. VBIRhoSph57909_2202.

    Phylogenomic databases

    eggNOGi NOG84229.
    HOGENOMi HOG000230332.
    KOi K08927.
    OMAi TASRIHP.
    OrthoDBi EOG6DZF4S.
    PhylomeDBi Q3J1A3.

    Enzyme and pathway databases

    BioCyci RSPH272943:GJAS-1915-MONOMER.

    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. "DNA sequence and in vitro expression of the B875 light-harvesting polypeptides of Rhodobacter sphaeroides."
      Kiley P.J., Donohue T.J., Havelka W.A., Kaplan S.
      J. Bacteriol. 169:742-750(1987) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    2. "DNA sequence analysis of the photosynthesis region of Rhodobacter sphaeroides 2.4.1."
      Choudhary M., Kaplan S.
      Nucleic Acids Res. 28:862-867(2000) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
    3. "Complete sequence of chromosome 1 of Rhodobacter sphaeroides 2.4.1."
      Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T., Hammon N., Israni S., Pitluck S., Richardson P., Mackenzie C., Choudhary M., Larimer F., Hauser L.J., Land M., Donohue T.J., Kaplan S.
      Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: ATCC 17023 / 2.4.1 / NCIB 8253 / DSM 158.

    Entry informationi

    Entry nameiLHB1_RHOS4
    AccessioniPrimary (citable) accession number: Q3J1A3
    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 60 of the entry and version 3 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    3D-structure, Complete proteome, 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