UniProtKB - P95655 (LHA2_RHOSU)
Protein
Light-harvesting protein B-800/850 alpha chain
Gene
pucA
Organism
Rhodovulum sulfidophilum (Rhodobacter sulfidophilus)
Status
Functioni
Antenna complexes are light-harvesting systems, which transfer the excitation energy to the reaction centers.
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Metal bindingi | 31 | Magnesium (bacteriochlorophyll axial ligand)Sequence analysis | 1 |
GO - Molecular functioni
- bacteriochlorophyll binding Source: UniProtKB-KW
- electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity Source: InterPro
- metal ion binding Source: UniProtKB-KW
GO - Biological processi
- photosynthesis, light reaction Source: InterPro
- protein-chromophore linkage Source: UniProtKB-KW
Keywordsi
Molecular function | Light-harvesting polypeptide |
Ligand | Bacteriochlorophyll, Chlorophyll, Chromophore, Magnesium, Metal-binding |
Names & Taxonomyi
Protein namesi | Recommended name: Light-harvesting protein B-800/850 alpha chainAlternative name(s): Antenna pigment protein alpha chain LH-2 |
Gene namesi | Name:pucA |
Organismi | Rhodovulum sulfidophilum (Rhodobacter sulfidophilus) |
Taxonomic identifieri | 35806 [NCBI] |
Taxonomic lineagei | Bacteria › Proteobacteria › Alphaproteobacteria › Rhodobacterales › Rhodobacteraceae › Rhodovulum |
Subcellular locationi
Plasma membrane
Plasma Membrane
- plasma membrane Source: UniProtKB-SubCell
Other locations
- integral component of membrane Source: UniProtKB-KW
- plasma membrane light-harvesting complex Source: InterPro
Topology
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Topological domaini | 1 – 14 | CytoplasmicSequence analysisAdd BLAST | 14 | |
Transmembranei | 15 – 35 | HelicalSequence analysisAdd BLAST | 21 | |
Topological domaini | 36 – 63 | PeriplasmicSequence analysisAdd BLAST | 28 |
Keywords - Cellular componenti
Antenna complex, Cell inner membrane, Cell membrane, MembranePTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000099805 | 1 – 63 | Light-harvesting protein B-800/850 alpha chainAdd BLAST | 63 |
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
STRINGi | 1188256.BASI01000002_gene3403 |
Family & Domainsi
Sequence similaritiesi
Belongs to the antenna complex alpha subunit family.Curated
Keywords - Domaini
Transmembrane, Transmembrane helixPhylogenomic databases
eggNOGi | ENOG503358U, Bacteria |
Family and domain databases
Gene3Di | 4.10.220.20, 1 hit |
InterProi | View protein in InterPro IPR000066, Antenna_a/b IPR018332, Antenna_alpha IPR035889, Light-harvesting_complex |
Pfami | View protein in Pfam PF00556, LHC, 1 hit |
PRINTSi | PR00673, LIGHTHARVSTA |
SUPFAMi | SSF56918, SSF56918, 1 hit |
i Sequence
Sequence statusi: Complete.
P95655-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MNNAKMWLVV KPTVGIPLFL VACAIASFLV HLMLVLTTGW MGDYYSGSFE
60
AASLVSNATT LLS
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | U81968 Genomic DNA Translation: AAB59007.1 |
PIRi | S66225 |
RefSeqi | WP_042460744.1, NZ_MSYR01000001.1 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | U81968 Genomic DNA Translation: AAB59007.1 |
PIRi | S66225 |
RefSeqi | WP_042460744.1, NZ_MSYR01000001.1 |
3D structure databases
SMRi | P95655 |
ModBasei | Search... |
Protein-protein interaction databases
STRINGi | 1188256.BASI01000002_gene3403 |
Phylogenomic databases
eggNOGi | ENOG503358U, Bacteria |
Family and domain databases
Gene3Di | 4.10.220.20, 1 hit |
InterProi | View protein in InterPro IPR000066, Antenna_a/b IPR018332, Antenna_alpha IPR035889, Light-harvesting_complex |
Pfami | View protein in Pfam PF00556, LHC, 1 hit |
PRINTSi | PR00673, LIGHTHARVSTA |
SUPFAMi | SSF56918, SSF56918, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | LHA2_RHOSU | |
Accessioni | P95655Primary (citable) accession number: P95655 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | November 1, 1997 |
Last sequence update: | May 1, 1997 | |
Last modified: | August 12, 2020 | |
This is version 78 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Prokaryotic Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Direct protein sequencingDocuments
- SIMILARITY comments
Index of protein domains and families