Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004308 | molecular_function | exo-alpha-sialidase activity |
| B | 0004308 | molecular_function | exo-alpha-sialidase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE NA A 501 |
| Chain | Residue |
| A | ASP87 |
| A | ASN89 |
| A | GLY116 |
| A | GLY118 |
| A | HOH625 |
| A | HOH684 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE GOL A 502 |
| Chain | Residue |
| A | THR278 |
| A | LEU279 |
| A | HOH760 |
| A | HOH979 |
| A | HOH1108 |
| A | THR215 |
| A | GLY258 |
| A | LYS259 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE GOL A 503 |
| Chain | Residue |
| A | ASP132 |
| A | ASN133 |
| A | THR134 |
| A | ARG179 |
| A | HOH651 |
| A | HOH740 |
| A | HOH805 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE GOL A 504 |
| Chain | Residue |
| A | GLN148 |
| A | TRP202 |
| A | GLU249 |
| A | ARG265 |
| A | HOH635 |
| A | HOH876 |
| A | HOH1077 |
| site_id | AC5 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PO4 A 505 |
| Chain | Residue |
| A | ARG59 |
| A | ARG265 |
| A | ARG322 |
| A | TYR358 |
| A | HOH671 |
| A | HOH778 |
| A | HOH893 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE GOL A 506 |
| Chain | Residue |
| A | GLU177 |
| A | ARG179 |
| A | HOH677 |
| site_id | AC7 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE CL A 507 |
| Chain | Residue |
| A | GLY231 |
| A | ARG236 |
| A | HOH985 |
| site_id | AC8 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE GOL B 501 |
| Chain | Residue |
| B | THR215 |
| B | GLY258 |
| B | LYS259 |
| B | THR278 |
| B | LEU279 |
| B | HOH867 |
| B | HOH885 |
| site_id | AC9 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE GOL B 502 |
| Chain | Residue |
| B | ASP132 |
| B | ASN133 |
| B | THR134 |
| B | ARG179 |
| B | HOH864 |
| B | HOH1075 |
| site_id | BC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE GOL B 503 |
| Chain | Residue |
| B | ARG230 |
| B | SER239 |
| B | VAL240 |
| B | GLN241 |
| B | LEU279 |
| site_id | BC2 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE PO4 B 504 |
| Chain | Residue |
| B | ARG59 |
| B | ARG265 |
| B | ARG322 |
| B | TYR358 |
| B | HOH668 |
| B | HOH759 |
| B | HOH1062 |
| site_id | BC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE NO3 B 505 |
| Chain | Residue |
| A | PRO24 |
| B | TYR303 |
| B | TYR367 |
| B | HOH748 |
| site_id | BC4 |
| Number of Residues | 1 |
| Details | BINDING SITE FOR RESIDUE NO2 B 506 |
| site_id | BC5 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE NO3 B 507 |
| Chain | Residue |
| B | ASN379 |
| B | GLY381 |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| B | TYR358 | |
| B | ASP376 | |
| A | ARG59 | |
| A | ARG78 | |
| A | ALA84 | |
| A | GLN148 | |
| A | ARG265 | |
| A | ARG322 | |
| A | LYS337 | |
| A | TYR358 | |
| A | ASP376 | |
| B | ARG59 | |
| B | ARG78 | |
| B | ALA84 | |
| B | GLN148 | |
| B | ARG265 | |
| B | ARG322 | |
| B | LYS337 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 2 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | TYR331 | |
| B | TYR331 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 4 |
| Details | CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255 |
| Chain | Residue | Details |
| A | ASN235 | |
| A | ASN396 | |
| B | ASN235 | |
| B | ASN396 | |
