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 | 0016020 | cellular_component | membrane |
| A | 1902600 | biological_process | proton transmembrane transport |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE RET A 301 |
| Chain | Residue |
| A | TRP84 |
| A | THR88 |
| A | MET116 |
| A | SER145 |
| A | TRP186 |
| A | TYR189 |
| A | PRO190 |
| A | TRP193 |
| A | LYS220 |
| site_id | AC2 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE LFA A 302 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE LFA A 303 |
| Chain | Residue |
| A | ASN54 |
| A | LFA302 |
| A | LFA314 |
| site_id | AC4 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE LFA A 304 |
| site_id | AC5 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE LFA A 305 |
| Chain | Residue |
| A | ASN180 |
| A | LEU202 |
| site_id | AC6 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE LFA A 306 |
| site_id | AC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE LFA A 307 |
| Chain | Residue |
| A | LEU85 |
| A | LFA320 |
| site_id | AC8 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE LFA A 308 |
| Chain | Residue |
| A | LEU132 |
| A | LFA309 |
| site_id | AC9 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE LFA A 309 |
| Chain | Residue |
| A | LFA308 |
| A | LFA310 |
| site_id | BC1 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE LFA A 310 |
| site_id | BC2 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE LFA A 311 |
| site_id | BC3 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE LFA A 313 |
| site_id | BC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE LFA A 314 |
| Chain | Residue |
| A | VAL114 |
| A | LFA303 |
| site_id | BC5 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE LFA A 317 |
| site_id | BC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 318 |
| Chain | Residue |
| A | ARG172 |
| A | ARG172 |
| A | LYS176 |
| site_id | BC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 A 319 |
| Chain | Residue |
| A | LYS176 |
| A | ARG179 |
| site_id | BC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE LFA A 320 |
| Chain | Residue |
| A | TYR93 |
| A | ALA101 |
| A | ILE106 |
| A | TYR107 |
| A | LFA307 |
| site_id | BC9 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE LFA A 322 |
| Chain | Residue |
| A | LEU112 |
| A | PHE148 |
| A | PHE155 |
Functional Information from PROSITE/UniProt
| site_id | PS00327 |
| Number of Residues | 12 |
| Details | BACTERIAL_OPSIN_RET Bacterial rhodopsins retinal binding site. FMVIDLvAKvGF |
| Chain | Residue | Details |
| A | PHE212-PHE223 | |
| site_id | PS00950 |
| Number of Residues | 13 |
| Details | BACTERIAL_OPSIN_1 Bacterial rhodopsins signature 1. RYtDWlFTTPLLL |
| Chain | Residue | Details |
| A | ARG80-LEU92 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 140 |
| Details | TRANSMEM: Helical => ECO:0000255 |
| Chain | Residue | Details |
| A | GLU7-ALA27 | |
| A | ILE42-PHE62 | |
| A | TYR81-ALA101 | |
| A | VAL114-ALA134 | |
| A | LEU139-SER159 | |
| A | VAL185-ILE205 | |
| A | ILE207-LEU227 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | SITE: Primary proton acceptor => ECO:0000250 |
| Chain | Residue | Details |
| A | ASP83 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | MOD_RES: N6-(retinylidene)lysine => ECO:0000250 |
| Chain | Residue | Details |
| A | LYS220 | |
