8VN5
Homing endonuclease I-PpoI-DNA complex:ground state at pH8.0 (Tris) with Na+
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 4 |
| Details | M-CSA 837 |
| Chain | Residue | Details |
| A | ARG61 | electrostatic stabiliser |
| A | HIS98 | proton acceptor |
| A | CYS105 | electrostatic stabiliser |
| A | ASN119 | metal ligand |
| site_id | MCSA2 |
| Number of Residues | 4 |
| Details | M-CSA 837 |
| Chain | Residue | Details |
| B | ARG261 | electrostatic stabiliser |
| B | HIS298 | proton acceptor |
| B | CYS305 | electrostatic stabiliser |
| B | ASN319 | metal ligand |
