Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005216 | molecular_function | monoatomic ion channel activity |
| 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 | 0034220 | biological_process | monoatomic ion transmembrane transport |
| A | 0042802 | molecular_function | identical protein binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | binding site for residue RET A 1301 |
| Chain | Residue |
| A | TRP122 |
| A | VAL126 |
| A | MET158 |
| A | SER181 |
| A | PHE185 |
| A | TYR225 |
| A | TYR229 |
| A | ASP253 |
| A | LYS257 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | binding site for residue PX4 A 1302 |
| Chain | Residue |
| A | SER61 |
| A | ALA64 |
| A | LEU65 |
| A | ASP170 |
| A | THR172 |
| A | THR173 |
| A | LEU210 |
| A | ASN213 |
| A | LEU263 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | binding site for residue PX4 A 1303 |
| Chain | Residue |
| A | TYR187 |
| A | TYR190 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | binding site for residue PX4 A 1304 |
| Chain | Residue |
| A | ASN114 |
| A | ALA116 |
| A | VAL120 |
| A | ALA160 |
| A | TYR163 |
| site_id | AC5 |
| Number of Residues | 2 |
| Details | binding site for residue D12 A 1306 |
Functional Information from PROSITE/UniProt
| site_id | PS00950 |
| Number of Residues | 13 |
| Details | BACTERIAL_OPSIN_1 Bacterial rhodopsins signature 1. RYvDWlLTVPLLL |
| Chain | Residue | Details |
| A | ARG118-LEU130 | |
