UniProtKB - P0C0X9 (LHA1_RHOSH)
Protein
Light-harvesting protein B-875 alpha chain
Gene
pufA
Organism
Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides)
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 | 32 | 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-875 alpha chainAlternative name(s): Antenna pigment protein alpha chain LH-1 |
Gene namesi | Name:pufA |
Organismi | Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides) |
Taxonomic identifieri | 1063 [NCBI] |
Taxonomic lineagei | Bacteria › Proteobacteria › Alphaproteobacteria › Rhodobacterales › Rhodobacteraceae › Rhodobacter |
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 – 15 | CytoplasmicSequence analysisAdd BLAST | 15 | |
Transmembranei | 16 – 36 | HelicalSequence analysisAdd BLAST | 21 | |
Topological domaini | 37 – 58 | PeriplasmicSequence analysisAdd BLAST | 22 |
Keywords - Cellular componenti
Antenna complex, Cell inner membrane, Cell membrane, MembranePTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000099801 | 1 – 58 | Light-harvesting protein B-875 alpha chainAdd BLAST | 58 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Modified residuei | 1 | N-formylmethionine1 Publication | 1 |
Keywords - PTMi
FormylationInteractioni
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 helixPhylogenomic databases
OrthoDBi | 2077221at2 |
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 |
i Sequence
Sequence statusi: Complete.
P0C0X9-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MSKFYKIWMI FDPRRVFVAQ GVFLFLLAVM IHLILLSTPS YNWLEISAAK
YNRVAVAE
Sequence databases
PIRi | A27760, LBRF1S |
RefSeqi | WP_002720422.1, NZ_WTFI01000017.1 |
Genome annotation databases
GeneIDi | 57470576 |
Similar proteinsi
Cross-referencesi
Sequence databases
PIRi | A27760, LBRF1S |
RefSeqi | WP_002720422.1, NZ_WTFI01000017.1 |
3D structure databases
Select the link destinations: PDBei RCSB PDBi PDBji Links Updated | PDB entry | Method | Resolution (Å) | Chain | Positions | PDBsum |
4V9G | X-ray | 7.78 | A1/A2/A3/A5/A7/AD/AF/AJ/AN/AP/AT/AV/AX/AZ/B1/B2/B3/B5/B7/BD/BF/BJ/BN/BP/BT/BV/BX/BZ | 1-58 | [»] | |
SMRi | P0C0X9 | |||||
ModBasei | Search... | |||||
PDBe-KBi | Search... |
Genome annotation databases
GeneIDi | 57470576 |
Phylogenomic databases
OrthoDBi | 2077221at2 |
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 | LHA1_RHOSH | |
Accessioni | P0C0X9Primary (citable) accession number: P0C0X9 Secondary accession number(s): P02949 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | July 21, 1986 |
Last sequence update: | July 21, 1986 | |
Last modified: | February 10, 2021 | |
This is version 59 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
3D-structure, Direct protein sequencingDocuments
- PDB cross-references
Index of Protein Data Bank (PDB) cross-references - SIMILARITY comments
Index of protein domains and families