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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: 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)DescriptionActionsGraphical viewLength
Metal bindingi19Magnesium (bacteriochlorophyll axial ligand)Sequence analysis1
Metal bindingi37Magnesium (bacteriochlorophyll axial ligand)Sequence analysis1

GO - Molecular functioni

GO - Biological processi

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)DescriptionActionsGraphical viewLength
Topological domaini1 – 20CytoplasmicSequence analysisAdd BLAST20
Transmembranei21 – ›40HelicalSequence analysisAdd BLAST›20

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Antenna complex, Cell inner membrane, Cell membrane, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00000998121 – ›40Light-harvesting protein B800/830/1020 beta-1 chainAdd BLAST›40

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.
ModBaseiSearch...
MobiDBiSearch...

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

« Hide

        10         20         30         40
ANDIRPLRDF EDEEAQEFHQ AAVQAFFLYV AVAFVAHLPV
Length:40
Mass (Da):4,575
Last modified:February 1, 1994 - v1
Checksum:i63536682D22B5D7C
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Non-terminal residuei401

Sequence databases

PIRiS23286.

Cross-referencesi

Sequence databases

PIRiS23286.

3D structure databases

ProteinModelPortaliP80106.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Family and domain databases

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

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: July 6, 2016
This is version 80 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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.