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 | 0016020 | cellular_component | membrane |
| B | 0005216 | molecular_function | monoatomic ion channel activity |
| B | 0006811 | biological_process | monoatomic ion transport |
| B | 0016020 | cellular_component | membrane |
| D | 0005216 | molecular_function | monoatomic ion channel activity |
| D | 0006811 | biological_process | monoatomic ion transport |
| D | 0016020 | cellular_component | membrane |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE RET A 292 |
| Chain | Residue |
| A | TRP127 |
| A | LYS256 |
| A | THR131 |
| A | MET159 |
| A | TYR180 |
| A | SER183 |
| A | PHE187 |
| A | TRP222 |
| A | TYR225 |
| A | ASP252 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE 22B A 300 |
| Chain | Residue |
| A | LEU29 |
| A | GLY46 |
| A | THR56 |
| A | LYS65 |
| A | ILE72 |
| D | THR151 |
| D | PHE155 |
| D | ALA185 |
| D | GLU197 |
| site_id | AC3 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE L1P A 293 |
| Chain | Residue |
| A | LEU89 |
| A | HOH552 |
| D | SER92 |
| D | LEU94 |
| D | TRP121 |
| D | LEU125 |
| D | VAL161 |
| D | LEU164 |
| D | LEU168 |
| site_id | AC4 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE L2P A 294 |
| Chain | Residue |
| A | ALA146 |
| A | PHE150 |
| A | ILE153 |
| A | THR154 |
| A | ILE157 |
| A | ALA158 |
| A | L2P295 |
| B | VAL77 |
| B | ALA80 |
| B | L2P295 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE L2P A 295 |
| Chain | Residue |
| A | MET133 |
| A | LEU136 |
| A | ILE157 |
| A | L2P294 |
| D | L2P294 |
| site_id | AC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE L3P A 331 |
| Chain | Residue |
| A | LEU195 |
| A | GLN200 |
| site_id | AC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE L3P A 296 |
| Chain | Residue |
| A | ILE188 |
| A | TYR192 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE L3P A 297 |
| Chain | Residue |
| A | SER172 |
| A | LEU174 |
| A | PHE178 |
| B | PHE25 |
| B | ASN270 |
| site_id | AC9 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE L3P A 298 |
| Chain | Residue |
| A | LEU29 |
| D | LEU174 |
| site_id | BC1 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE L3P A 299 |
| site_id | BC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE L3P A 301 |
| Chain | Residue |
| A | TRP177 |
| A | TYR180 |
| A | CYS184 |
| site_id | BC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE L3P A 333 |
| Chain | Residue |
| A | SER36 |
| A | VAL238 |
| A | LEU239 |
| A | TYR243 |
| A | TRP246 |
| A | ALA250 |
| site_id | BC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE CL A 401 |
| Chain | Residue |
| A | THR126 |
| A | SER130 |
| A | LYS256 |
| site_id | BC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CL A 402 |
| Chain | Residue |
| A | ASN145 |
| B | PRO62 |
| B | HOH527 |
| B | HOH531 |
| site_id | BC6 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE 22B B 300 |
| Chain | Residue |
| A | THR147 |
| A | THR151 |
| A | PHE155 |
| A | ALA185 |
| A | VAL189 |
| B | ALA43 |
| B | GLY46 |
| B | ILE49 |
| B | VAL53 |
| B | THR56 |
| B | ILE72 |
| B | VAL273 |
| B | HOH531 |
| site_id | BC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE L3P B 331 |
| Chain | Residue |
| B | TYR180 |
| D | PHE54 |
| site_id | BC8 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE RET B 292 |
| Chain | Residue |
| B | TRP127 |
| B | THR131 |
| B | MET159 |
| B | TYR180 |
| B | SER183 |
| B | PHE187 |
| B | TRP222 |
| B | TYR225 |
| B | PRO226 |
| B | ASP252 |
| B | LYS256 |
| site_id | BC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CL B 401 |
| Chain | Residue |
| B | LYS256 |
| B | HOH502 |
| B | THR126 |
| B | SER130 |
| site_id | CC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE L1P B 293 |
| Chain | Residue |
| A | VAL19 |
| A | SER92 |
| A | VAL93 |
| A | LEU125 |
| A | VAL161 |
| A | ALA165 |
| B | VAL19 |
| B | ALA80 |
| B | LEU89 |
| B | THR90 |
| B | LEU125 |
| site_id | CC2 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE CL B 402 |
| site_id | CC3 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE L1P B 294 |
| Chain | Residue |
| B | SER92 |
| B | LEU94 |
| B | TRP121 |
| B | LEU125 |
| B | ILE157 |
| B | VAL161 |
| B | ALA165 |
| B | HOH541 |
| D | ALA80 |
| D | LEU89 |
| D | LEU125 |
| D | THR126 |
| site_id | CC4 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE 22B D 300 |
| Chain | Residue |
| B | PHE101 |
| B | THR147 |
| B | LYS148 |
| B | THR151 |
| B | PHE155 |
| B | ILE182 |
| B | ILE193 |
| B | GLU197 |
| D | ILE49 |
| D | THR56 |
| D | LYS65 |
| D | VAL69 |
| D | ILE72 |
| D | VAL76 |
| D | ILE79 |
| site_id | CC5 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE L2P B 295 |
| Chain | Residue |
| A | ALA146 |
| A | PHE150 |
| A | L2P294 |
| A | L3P299 |
| B | ALA128 |
| B | LEU129 |
| B | MET133 |
| B | LEU136 |
| B | ILE153 |
| B | ILE157 |
| B | L2P296 |
| site_id | CC6 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE L2P B 296 |
| Chain | Residue |
| B | ALA146 |
| B | PHE150 |
| B | ILE153 |
| B | THR154 |
| B | ILE157 |
| B | ALA158 |
| B | VAL161 |
| B | L2P295 |
| site_id | CC7 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE L3P D 330 |
| site_id | CC8 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE RET D 292 |
| Chain | Residue |
| D | TRP127 |
| D | THR131 |
| D | MET159 |
| D | GLY163 |
| D | TYR180 |
| D | SER183 |
| D | TRP222 |
| D | TYR225 |
| D | PRO226 |
| D | TRP229 |
| D | ASP252 |
| D | LYS256 |
| site_id | CC9 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CL D 401 |
| Chain | Residue |
| D | THR126 |
| D | TRP127 |
| D | SER130 |
| D | LYS256 |
| D | HOH502 |
| site_id | DC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CL D 402 |
| Chain | Residue |
| A | PRO62 |
| A | LYS65 |
| D | ASN145 |
| D | LYS148 |
| site_id | DC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE L2P D 293 |
| Chain | Residue |
| B | PHE150 |
| D | LEU66 |
| D | ALA128 |
| D | MET133 |
| D | LEU136 |
| D | ILE157 |
| site_id | DC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE L2P D 294 |
| Chain | Residue |
| A | L2P295 |
| D | SER144 |
| D | ALA146 |
| D | LEU149 |
| D | ILE153 |
| D | THR154 |
| D | ILE157 |
Functional Information from PROSITE/UniProt
| site_id | PS00950 |
| Number of Residues | 13 |
| Details | BACTERIAL_OPSIN_1 Bacterial rhodopsins signature 1. RYlTWaLSTPMIL |
| Chain | Residue | Details |
| A | ARG123-LEU135 | |
