UniProtKB - P35092 (LHA6_RHOAC)
Protein
Light-harvesting protein B-880 alpha chain
Gene
N/A
Organism
Rhodoblastus acidophilus (Rhodopseudomonas acidophila)
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 | 29 | 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-880 alpha chainAlternative name(s): Antenna pigment protein alpha chain |
Organismi | Rhodoblastus acidophilus (Rhodopseudomonas acidophila) |
Taxonomic identifieri | 1074 [NCBI] |
Taxonomic lineagei | Bacteria › Proteobacteria › Alphaproteobacteria › Rhizobiales › Beijerinckiaceae › Rhodoblastus |
Subcellular locationi
Plasma membrane
Plasma Membrane
- plasma membrane Source: UniProtKB-SubCell
Other locations
- integral component of membrane Source: UniProtKB-KW
- organelle inner membrane Source: InterPro
- plasma membrane light-harvesting complex Source: InterPro
Topology
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Topological domaini | 1 – 12 | CytoplasmicSequence analysisAdd BLAST | 12 | |
Transmembranei | 13 – 33 | HelicalSequence analysisAdd BLAST | 21 | |
Topological domaini | 34 – 50 | PeriplasmicSequence analysisAdd BLAST | 17 |
Keywords - Cellular componenti
Antenna complex, Cell inner membrane, Cell membrane, MembranePTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000099788 | 1 – 50 | Light-harvesting protein B-880 alpha chainAdd BLAST | 50 |
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.
Family & Domainsi
Sequence similaritiesi
Belongs to the antenna complex alpha subunit family.Curated
Keywords - Domaini
Transmembrane, Transmembrane helixFamily and domain databases
Gene3Di | 4.10.220.20, 1 hit |
InterProi | View protein in InterPro IPR000066, Antenna_a/b IPR018332, Antenna_alpha IPR002361, Antenna_alpha_CS IPR035889, Light-harvesting_complex |
Pfami | View protein in Pfam PF00556, LHC, 1 hit |
PRINTSi | PR00673, LIGHTHARVSTA |
SUPFAMi | SSF56918, SSF56918, 1 hit |
PROSITEi | View protein in PROSITE PS00968, ANTENNA_COMP_ALPHA, 1 hit |
i Sequence
Sequence statusi: Complete.
P35092-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MYKLWLLFDP RRALVALSAF LFVLALIIHF IALSTDRFNW LEGKPAVKAA
Similar proteinsi
Cross-referencesi
3D structure databases
SMRi | P35092 |
ModBasei | Search... |
Family and domain databases
Gene3Di | 4.10.220.20, 1 hit |
InterProi | View protein in InterPro IPR000066, Antenna_a/b IPR018332, Antenna_alpha IPR002361, Antenna_alpha_CS IPR035889, Light-harvesting_complex |
Pfami | View protein in Pfam PF00556, LHC, 1 hit |
PRINTSi | PR00673, LIGHTHARVSTA |
SUPFAMi | SSF56918, SSF56918, 1 hit |
PROSITEi | View protein in PROSITE PS00968, ANTENNA_COMP_ALPHA, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | LHA6_RHOAC | |
Accessioni | P35092Primary (citable) accession number: P35092 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | February 1, 1994 |
Last sequence update: | February 1, 1994 | |
Last modified: | December 11, 2019 | |
This is version 74 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