P42197 (BACS2_HALVA) Reviewed, UniProtKB/Swiss-Prot
Last modified
April 3, 2013.
Version 73.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Sensory rhodopsin-2 Alternative name(s): Sensory rhodopsin II Short name=SR-II | ||||
| Gene names |
| ||||
| Organism | Haloarcula vallismortis (Halobacterium vallismortis) | ||||
| Taxonomic identifier | 28442 [NCBI] | ||||
| Taxonomic lineage | Archaea › Euryarchaeota › Halobacteria › Halobacteriales › Halobacteriaceae › Haloarcula![]() |
Protein attributes
| Sequence length | 236 AA. |
| Sequence status | Complete. |
| Protein existence | Inferred from homology |
General annotation (Comments)
| Function | Involved in the control of phototaxis. Seems to activate a methyl-accepting protein (HTR-II). Photoreceptor for blue light. |
| Subcellular location | |
| Sequence similarities | Belongs to the archaeal/bacterial/fungal opsin family. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Sensory transduction |
| Cellular component | Cell membrane Membrane |
| Domain | Transmembrane Transmembrane helix |
| Ligand | Chromophore |
| Molecular function | Photoreceptor protein Receptor Retinal protein |
| Gene Ontology (GO) | |
| Biological_process | phototransduction Inferred from electronic annotation. Source: UniProtKB-KW protein-chromophore linkageInferred from electronic annotation. Source: UniProtKB-KW |
| Cellular_component | integral to membrane Inferred from electronic annotation. Source: UniProtKB-KW plasma membraneInferred from electronic annotation. Source: UniProtKB-SubCell |
| Molecular_function | ion channel activity Inferred from electronic annotation. Source: InterPro photoreceptor activityInferred from electronic annotation. Source: UniProtKB-KW |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 236 | 236 | Sensory rhodopsin-2 | PRO_0000196281 | |||||
Regions | |||||||||
| Topological domain | 1 – 3 | 3 | Extracellular By similarity | ||||||
| Transmembrane | 4 – 25 | 22 | Helical; Name=Helix A; By similarity | ||||||
| Topological domain | 26 – 33 | 8 | Cytoplasmic By similarity | ||||||
| Transmembrane | 34 – 55 | 22 | Helical; Name=Helix B; By similarity | ||||||
| Topological domain | 56 – 69 | 14 | Extracellular By similarity | ||||||
| Transmembrane | 70 – 91 | 22 | Helical; Name=Helix C; By similarity | ||||||
| Topological domain | 92 – 94 | 3 | Cytoplasmic By similarity | ||||||
| Transmembrane | 95 – 117 | 23 | Helical; Name=Helix D; By similarity | ||||||
| Topological domain | 118 – 121 | 4 | Extracellular By similarity | ||||||
| Transmembrane | 122 – 149 | 28 | Helical; Name=Helix E; By similarity | ||||||
| Topological domain | 150 – 153 | 4 | Cytoplasmic By similarity | ||||||
| Transmembrane | 154 – 182 | 29 | Helical; Name=Helix F; By similarity | ||||||
| Topological domain | 183 – 190 | 8 | Extracellular By similarity | ||||||
| Transmembrane | 191 – 236 | 46 | Helical; Name=Helix G; By similarity | ||||||
Amino acid modifications | |||||||||
| Modified residue | 206 | 1 | N6-(retinylidene)lysine By similarity | ||||||
Sequences
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References
| [1] | "The primary structure of sensory rhodopsin II: a member of an additional retinal protein subgroup is coexpressed with its transducer, the halobacterial transducer of rhodopsin II." Seidel R., Scharf B., Gautel M., Kleine K., Oesterhelt D., Engelhard M. Proc. Natl. Acad. Sci. U.S.A. 92:3036-3040(1995) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: ATCC 29715 / DSM 3756 / JCM 8877 / NBRC 14741 / NCIMB 2082. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | Z35308 Genomic DNA. Translation: CAA84550.1. |
| PIR | S55297. |
3D structure databases | |
| ProteinModelPortal | P42197. |
| ModBase | Search... |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Family and domain databases | |
| InterPro | IPR001425. Rhodopsin_arc/bac/fun. IPR018229. Rhodopsin_retinal_BS. [Graphical view] |
| Pfam | PF01036. Bac_rhodopsin. 1 hit. [Graphical view] |
| PRINTS | PR00251. BACTRLOPSIN. |
| SMART | SM01021. Bac_rhodopsin. 1 hit. [Graphical view] |
| PROSITE | PS00950. BACTERIAL_OPSIN_1. 1 hit. PS00327. BACTERIAL_OPSIN_RET. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | BACS2_HALVA | ||||||||
| Accession | Primary (citable) accession number: P42197 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Prokaryotic Protein Annotation Program | ||||||||
Relevant documents
| 7-transmembrane G-linked receptors List of 7-transmembrane G-linked receptor entries |
| SIMILARITY comments Index of protein domains and families |

Clusters with
