Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | binding site for residue SIA B 3 |
| Chain | Residue |
| A | LYS335 |
| A | SER336 |
| A | TYR337 |
| A | TYR338 |
| A | THR339 |
| A | ARG340 |
| B | GAL2 |
| A | HOH665 |
| A | HOH661 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | binding site for residue NA A 501 |
| Chain | Residue |
| A | ASP245 |
| A | GLU247 |
| A | ASP272 |
| A | ASN273 |
| A | ASP346 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | binding site for residue NA A 502 |
| Chain | Residue |
| A | ASN374 |
| A | TYR377 |
| A | ASP436 |
| A | HOH662 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | binding site for Poly-Saccharide residues GAL A 502 through NAG A 503 |
| Chain | Residue |
| A | VAL285 |
| A | GLU304 |
| A | TYR341 |
| A | ASP356 |
| A | ARG365 |
| A | PRO439 |
| A | ASN441 |
| B | SIA3 |
| A | HOH665 |
