Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 2 |
| Details | binding site for residue CL A 301 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue MG A 302 |
| Chain | Residue |
| A | CTP306 |
| A | HOH424 |
| A | HOH492 |
| A | HOH496 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue MG A 303 |
| Chain | Residue |
| A | HOH446 |
| A | ATP305 |
| A | HOH402 |
| A | HOH409 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | binding site for residue GTP A 304 |
| Chain | Residue |
| A | ASN9 |
| A | ARG10 |
| A | ARG18 |
| A | HIS170 |
| A | TYR172 |
| A | ASN173 |
| A | LYS184 |
| A | ATP305 |
| A | HOH532 |
| site_id | AC5 |
| Number of Residues | 15 |
| Details | binding site for residue ATP A 305 |
| Chain | Residue |
| A | TYR25 |
| A | LYS152 |
| A | LYS154 |
| A | LYS154 |
| A | ARG155 |
| A | ASP156 |
| A | GLY157 |
| A | ILE159 |
| A | LYS184 |
| A | MG303 |
| A | GTP304 |
| A | HOH402 |
| A | HOH409 |
| A | HOH417 |
| A | HOH485 |
| site_id | AC6 |
| Number of Residues | 16 |
| Details | binding site for residue CTP A 306 |
| Chain | Residue |
| A | HIS76 |
| A | HIS76 |
| A | ASN77 |
| A | ASP78 |
| A | SER79 |
| A | TYR80 |
| A | ASP81 |
| A | ASP96 |
| A | ARG98 |
| A | ARG98 |
| A | MG302 |
| A | HOH401 |
| A | HOH424 |
| A | HOH486 |
| A | HOH492 |
| A | HOH496 |
