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P80106

- LHB1_HALHR

UniProt

P80106 - LHB1_HALHR

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Protein
Light-harvesting protein B800/830/1020 beta-1 chain
Gene
N/A
Organism
Halorhodospira halochloris (Ectothiorhodospira halochloris)
Status
Reviewed - Annotation score: 3 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 bindingi19 – 191Magnesium (bacteriochlorophyll axial ligand) Reviewed prediction
Metal bindingi37 – 371Magnesium (bacteriochlorophyll axial ligand) Reviewed prediction

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 B800/830/1020 beta-1 chain
Alternative name(s):
Antenna pigment protein beta-1 chain
EHS-beta-1
OrganismiHalorhodospira halochloris (Ectothiorhodospira halochloris)
Taxonomic identifieri1052 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaChromatialesEctothiorhodospiraceaeHalorhodospira

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini1 – 2020Cytoplasmic Reviewed prediction
Add
BLAST
Transmembranei21 – ›40›20Helical; Reviewed prediction
Add
BLAST

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
Complete GO annotation...

Keywords - Cellular componenti

Antenna complex, Cell inner membrane, Cell membrane, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – ›40›40Light-harvesting protein B800/830/1020 beta-1 chain
PRO_0000099812Add
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

3D structure databases

ProteinModelPortaliP80106.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

InterProiIPR000066. Antenna_a/b.
[Graphical view]
SUPFAMiSSF56918. SSF56918. 1 hit.

Sequencei

Sequence statusi: Fragment.

P80106-1 [UniParc]FASTAAdd to Basket

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ANDIRPLRDF EDEEAQEFHQ AAVQAFFLYV AVAFVAHLPV              40
Length:40
Mass (Da):4,575
Last modified:February 1, 1994 - v1
Checksum:i63536682D22B5D7C
GO

Non-terminal residue

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Non-terminal residuei40 – 401

Sequence databases

PIRiS23286.

Cross-referencesi

Sequence databases

PIRi S23286.

3D structure databases

ProteinModelPortali P80106.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

InterProi IPR000066. Antenna_a/b.
[Graphical view ]
SUPFAMi SSF56918. SSF56918. 1 hit.
ProtoNeti Search...

Publicationsi

  1. "The primary structure of the antenna polypeptides of Ectothiorhodospira halochloris and Ectothiorhodospira halophila. Four core-type antenna polypeptides in E. halochloris and E. halophila."
    Wagner-Huber R., Brunisholz R.A., Bissig I., Frank G., Suter F., Zuber H.
    Eur. J. Biochem. 205:917-925(1992) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE.
    Strain: DSM 1059.

Entry informationi

Entry nameiLHB1_HALHR
AccessioniPrimary (citable) accession number: P80106
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 1, 1994
Last sequence update: February 1, 1994
Last modified: February 19, 2014
This is version 72 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

Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3