Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.

P0C0Y1

- LHB1_RHOSH

UniProt

P0C0Y1 - LHB1_RHOSH

(max 400 entries)x

Your basket is currently empty.

Select item(s) and click on "Add to basket" to create your own collection here
(400 entries max)

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

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
Complete GO annotation...

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

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini2 – 2726CytoplasmicAdd
BLAST
Transmembranei28 – 4518Helical; Signal-anchor for type II membrane proteinAdd
BLAST
Topological domaini46 – 494Periplasmic

GO - Cellular componenti

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

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 – 84Combined sources
Helixi9 – 2012Combined sources
Helixi22 – 3110Combined sources
Helixi34 – 4411Combined sources
Turni46 – 483Combined sources

3D structure databases

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

Miscellaneous databases

EvolutionaryTraceiP0C0Y1.

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

        10         20         30         40 
MADKSDLGYT GLTDEQAQEL HSVYMSGLWP FSAVAIVAHL AVYIWRPWF
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:
PDBei
RCSB PDBi
PDBji
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: November 26, 2014
This is version 47 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