Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004308 | molecular_function | exo-alpha-sialidase activity |
| A | 0005975 | biological_process | carbohydrate metabolic process |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE NHE A1000 |
| Chain | Residue |
| A | ARG245 |
| A | TYR653 |
| A | TRP674 |
| A | HOH2413 |
| A | HOH2792 |
| A | ASP270 |
| A | ILE326 |
| A | ASP327 |
| A | ASN352 |
| A | TYR489 |
| A | TYR509 |
| A | ARG557 |
| A | ARG619 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE NHE A1001 |
| Chain | Residue |
| A | ASN312 |
| A | LYS334 |
| A | ALA497 |
| A | LYS499 |
| A | GLU658 |
| A | GOL1699 |
| A | HOH2793 |
| A | HOH2794 |
| A | HOH2796 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE GOL A1699 |
| Chain | Residue |
| A | TYR250 |
| A | THR251 |
| A | GLN494 |
| A | THR657 |
| A | NHE1001 |
| A | HOH2583 |
| A | HOH2797 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton acceptor => ECO:0000250 |
| Chain | Residue | Details |
| A | ASP270 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | ACT_SITE: ACT_SITE => ECO:0000255 |
| Chain | Residue | Details |
| A | GLU541 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | ACT_SITE: Nucleophile => ECO:0000250 |
| Chain | Residue | Details |
| A | TYR653 | |
| site_id | SWS_FT_FI4 |
| Number of Residues | 3 |
| Details | BINDING: BINDING => ECO:0000250 |
| Chain | Residue | Details |
| A | ARG245 | |
| A | ARG557 | |
| A | ARG619 | |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 3 |
| Details | Annotated By Reference To The Literature 1sll |
| Chain | Residue | Details |
| A | TYR653 | |
| A | GLU541 | |
| A | ASP270 | |
