Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004519 | molecular_function | endonuclease activity |
| A | 0006314 | biological_process | intron homing |
| B | 0004519 | molecular_function | endonuclease activity |
| B | 0006314 | biological_process | intron homing |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CD A 301 |
| Chain | Residue |
| A | CYS125 |
| A | CYS132 |
| A | HIS134 |
| A | CYS138 |
| A | HOH457 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CD A 302 |
| Chain | Residue |
| A | CYS41 |
| A | CYS100 |
| A | CYS105 |
| A | HIS110 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG A 305 |
| Chain | Residue |
| A | ASN119 |
| A | HOH306 |
| A | HOH307 |
| A | HOH308 |
| D | DA213 |
| D | HOH222 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CD B 303 |
| Chain | Residue |
| B | CYS125 |
| B | CYS132 |
| B | HIS134 |
| B | CYS138 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CD B 304 |
| Chain | Residue |
| B | CYS41 |
| B | CYS100 |
| B | CYS105 |
| B | HIS110 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MG B 306 |
| Chain | Residue |
| B | ASN119 |
| B | HOH307 |
| B | HOH308 |
| B | HOH309 |
| C | DA213 |
| C | HOH222 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 4 |
| Details | M-CSA 837 |
| Chain | Residue | Details |
| A | LEU39 | electrostatic stabiliser |
| A | GLY76 | proton acceptor |
| A | LEU83 | electrostatic stabiliser |
| A | SER97 | metal ligand |
| site_id | MCSA2 |
| Number of Residues | 4 |
| Details | M-CSA 837 |
| Chain | Residue | Details |
| B | LEU39 | electrostatic stabiliser |
| B | GLY76 | proton acceptor |
| B | LEU83 | electrostatic stabiliser |
| B | SER97 | metal ligand |
