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 | 0010461 | molecular_function | light-activated monoatomic ion channel activity |
| A | 0016020 | cellular_component | membrane |
| B | 0005216 | molecular_function | monoatomic ion channel activity |
| B | 0006811 | biological_process | monoatomic ion transport |
| B | 0010461 | molecular_function | light-activated monoatomic ion channel activity |
| B | 0016020 | cellular_component | membrane |
| C | 0005216 | molecular_function | monoatomic ion channel activity |
| C | 0006811 | biological_process | monoatomic ion transport |
| C | 0010461 | molecular_function | light-activated monoatomic ion channel activity |
| C | 0016020 | cellular_component | membrane |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE RET A 301 |
| Chain | Residue |
| A | TRP80 |
| A | TYR183 |
| A | TYR187 |
| A | ASP209 |
| A | LYS213 |
| A | THR83 |
| A | VAL84 |
| A | GLN87 |
| A | MET116 |
| A | GLY120 |
| A | TRP134 |
| A | GLY137 |
| A | TRP180 |
| site_id | AC2 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE RET B 301 |
| Chain | Residue |
| B | TYR77 |
| B | TRP80 |
| B | THR83 |
| B | VAL84 |
| B | GLN87 |
| B | MET116 |
| B | GLY120 |
| B | TRP134 |
| B | GLY137 |
| B | TRP141 |
| B | TRP180 |
| B | TYR183 |
| B | ASP209 |
| B | LYS213 |
| site_id | AC3 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE LI1 B 302 |
| site_id | AC4 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE RET C 301 |
| Chain | Residue |
| C | TRP80 |
| C | THR83 |
| C | VAL84 |
| C | GLN87 |
| C | MET116 |
| C | GLY120 |
| C | TRP141 |
| C | TRP180 |
| C | TYR183 |
| C | ASP209 |
| C | LYS213 |
Functional Information from PROSITE/UniProt
| site_id | PS00950 |
| Number of Residues | 13 |
| Details | BACTERIAL_OPSIN_1 Bacterial rhodopsins signature 1. RYiDWlITVPLQI |
| Chain | Residue | Details |
| A | ARG76-ILE88 | |
