Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005216 | molecular_function | monoatomic ion channel activity |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0006811 | biological_process | monoatomic ion transport |
| A | 0007602 | biological_process | phototransduction |
| A | 0009881 | molecular_function | photoreceptor activity |
| A | 0010461 | molecular_function | light-activated monoatomic ion channel activity |
| A | 0016020 | cellular_component | membrane |
| A | 1902600 | biological_process | proton transmembrane transport |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE RET A 301 |
| Chain | Residue |
| A | TRP98 |
| A | LYS231 |
| A | VAL133 |
| A | PHE137 |
| A | ALA151 |
| A | ILE154 |
| A | TRP197 |
| A | TYR200 |
| A | ASP227 |
| A | ASN230 |
Functional Information from PROSITE/UniProt
| site_id | PS00950 |
| Number of Residues | 13 |
| Details | BACTERIAL_OPSIN_1 Bacterial rhodopsins signature 1. RYiDWlLTVPLLI |
| Chain | Residue | Details |
| A | ARG94-ILE106 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 143 |
| Details | TRANSMEM: Helical => ECO:0000255 |
| Chain | Residue | Details |
| A | GLY30-VAL49 | |
| A | LEU62-ILE84 | |
| A | LEU99-GLY121 | |
| A | LEU128-ALA147 | |
| A | ALA151-ALA168 | |
| A | MET189-GLY211 | |
| A | LEU221-VAL243 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | SITE: Primary proton acceptor |
| Chain | Residue | Details |
| A | ASP97 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | SITE: Responsible for spectral tuning |
| Chain | Residue | Details |
| A | LEU105 | |
| site_id | SWS_FT_FI4 |
| Number of Residues | 1 |
| Details | SITE: Primary proton donor |
| Chain | Residue | Details |
| A | GLU108 | |
| site_id | SWS_FT_FI5 |
| Number of Residues | 1 |
| Details | MOD_RES: N6-(retinylidene)lysine => ECO:0000250 |
| Chain | Residue | Details |
| A | LYS231 | |
