Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0004518 | molecular_function | nuclease activity | 
| A | 0004519 | molecular_function | endonuclease activity | 
| A | 0006314 | biological_process | intron homing | 
| A | 0009507 | cellular_component | chloroplast | 
| A | 0016787 | molecular_function | hydrolase activity | 
| A | 0042802 | molecular_function | identical protein binding | 
| A | 0046872 | molecular_function | metal ion binding | 
| B | 0004518 | molecular_function | nuclease activity | 
| B | 0004519 | molecular_function | endonuclease activity | 
| B | 0006314 | biological_process | intron homing | 
| B | 0009507 | cellular_component | chloroplast | 
| B | 0016787 | molecular_function | hydrolase activity | 
| B | 0042802 | molecular_function | identical protein binding | 
| B | 0046872 | molecular_function | metal ion binding | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 6 | 
| Details | binding site for residue MG A 201 | 
| Chain | Residue | 
| A | ASP18 | 
| A | SER19 | 
| B | ASP20 | 
| B | GLN47 | 
| E | DA515 | 
| F | DG614 | 
| site_id | AC2 | 
| Number of Residues | 6 | 
| Details | binding site for residue MG A 202 | 
| Chain | Residue | 
| E | DA515 | 
| F | DG614 | 
| G | DA615 | 
| A | ASP20 | 
| B | ASP20 | 
| D | DC514 | 
| site_id | AC3 | 
| Number of Residues | 6 | 
| Details | binding site for residue MG A 203 | 
| Chain | Residue | 
| A | ASP20 | 
| A | ARG51 | 
| B | ASP18 | 
| B | GLY19 | 
| D | DC514 | 
| G | DA615 | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 44 | 
| Details | Region: {"description":"Interaction with DNA"} | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 4 | 
| Details | Binding site: {} | 
Catalytic Information from CSA
| site_id | MCSA1 | 
| Number of Residues | 2 | 
| Details | M-CSA 233 | 
| Chain | Residue | Details | 
| B | GLY19 | metal ligand | 
| B | ASP20 | metal ligand |