9EM2
OPR3 wild type in its dimeric form obtained without sulfate
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | ACT_SITE: Proton donor => ECO:0000250 |
| Chain | Residue | Details |
| B | TYR190 | |
| A | TYR190 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 10 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:16983071, ECO:0000269|PubMed:19660473 |
| Chain | Residue | Details |
| B | PRO31 | |
| A | GLY321 | |
| B | GLY64 | |
| B | GLN106 | |
| B | ARG237 | |
| B | GLY321 | |
| A | PRO31 | |
| A | GLY64 | |
| A | GLN106 | |
| A | ARG237 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 6 |
| Details | BINDING: BINDING => ECO:0000250 |
| Chain | Residue | Details |
| B | HIS185 | |
| B | ARG283 | |
| B | GLY342 | |
| A | HIS185 | |
| A | ARG283 | |
| A | GLY342 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 3 |
| Details | M-CSA 697 |
| Chain | Residue | Details |
| B | HIS185 | electrostatic stabiliser |
| B | HIS188 | electrostatic stabiliser |
| B | TYR190 | proton shuttle (general acid/base) |
| site_id | MCSA2 |
| Number of Residues | 3 |
| Details | M-CSA 697 |
| Chain | Residue | Details |
| A | HIS185 | electrostatic stabiliser |
| A | HIS188 | electrostatic stabiliser |
| A | TYR190 | proton shuttle (general acid/base) |
