8YKK
Crystal structure of SARS main protease in complex with X77
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | ACT_SITE: For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772 |
| Chain | Residue | Details |
| A | HIS41 | |
| A | CYS145 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 3 |
| Details | M-CSA 830 |
| Chain | Residue | Details |
| A | HIS41 | proton acceptor, proton donor |
| A | GLY143 | electrostatic stabiliser |
| A | CYS145 | electrostatic stabiliser |
