Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 16 |
| Details | binding site for residue UMP B 201 |
| Chain | Residue |
| A | ASN85 |
| B | GLN120 |
| B | HOH305 |
| B | HOH310 |
| B | HOH342 |
| B | HOH369 |
| B | HOH378 |
| B | HOH384 |
| A | GLY88 |
| A | LEU89 |
| A | ILE90 |
| A | ASP91 |
| A | TYR94 |
| A | MET99 |
| B | ARG71 |
| B | SER72 |
| site_id | AC2 |
| Number of Residues | 16 |
| Details | binding site for residue UMP B 202 |
| Chain | Residue |
| B | ASN85 |
| B | GLY88 |
| B | LEU89 |
| B | ILE90 |
| B | ASP91 |
| B | TYR94 |
| B | MET99 |
| B | HOH307 |
| B | HOH315 |
| B | HOH329 |
| B | HOH359 |
| B | HOH390 |
| C | ARG71 |
| C | SER72 |
| C | GLN120 |
| C | HOH346 |
| site_id | AC3 |
| Number of Residues | 14 |
| Details | binding site for residue UMP C 201 |
| Chain | Residue |
| A | SER72 |
| A | GLN120 |
| C | ASN85 |
| C | GLY88 |
| C | LEU89 |
| C | ILE90 |
| C | ASP91 |
| C | TYR94 |
| C | MET99 |
| C | HOH303 |
| C | HOH305 |
| C | HOH323 |
| C | HOH328 |
| C | HOH348 |
