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 | 13 |
| Details | BINDING SITE FOR RESIDUE G39 A 1777 |
| Chain | Residue |
| A | ARG332 |
| A | HOH2044 |
| A | HOH2312 |
| A | HOH2499 |
| A | HOH2500 |
| A | ASP357 |
| A | ILE401 |
| A | ASP402 |
| A | ILE427 |
| A | TYR575 |
| A | ARG648 |
| A | ARG706 |
| A | TYR737 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CL A 1778 |
| Chain | Residue |
| A | GLY501 |
| A | ASN502 |
| A | LYS509 |
| A | THR510 |
| A | SER511 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE FMT A 1779 |
| Chain | Residue |
| A | TYR525 |
| A | SER526 |
| A | ASP527 |
| A | ASP528 |
| A | THR532 |
| A | HOH2501 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE EDO A 1780 |
| Chain | Residue |
| A | ILE328 |
| A | GLU350 |
| A | ARG352 |
| A | ASP360 |
| A | GLY362 |
| A | ASN383 |
| site_id | AC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE EDO A 1781 |
| Chain | Residue |
| A | LEU337 |
| A | LYS338 |
| A | GLN741 |
| A | HOH2502 |
| A | HOH2503 |
| A | HOH2504 |
| site_id | AC6 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE G39 B 1777 |
| Chain | Residue |
| B | ARG332 |
| B | ASP357 |
| B | ILE401 |
| B | ASP402 |
| B | ILE427 |
| B | TYR575 |
| B | ARG648 |
| B | ARG706 |
| B | TYR737 |
| B | HOH2301 |
| B | HOH2446 |
| B | HOH2447 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE CL B 1778 |
| Chain | Residue |
| B | GLY501 |
| B | ASN502 |
| B | LYS509 |
| B | THR510 |
| B | SER511 |
| site_id | AC8 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE EDO B 1779 |
| Chain | Residue |
| B | GLU350 |
| B | ARG352 |
| B | ASP360 |
| B | GLY362 |
| B | ASN383 |
| B | HOH2448 |
| site_id | AC9 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE FMT B 1780 |
| Chain | Residue |
| A | ASN610 |
| A | LYS617 |
| B | GLU435 |
| B | TYR450 |
| B | ARG514 |
| B | HOH2449 |
| site_id | BC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE FMT B 1781 |
| Chain | Residue |
| B | LYS338 |
| B | GLN741 |
| B | HOH2429 |
| B | HOH2450 |
| B | HOH2451 |
| site_id | BC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE FMT B 1782 |
| Chain | Residue |
| B | HIS566 |
| B | ARG569 |
| B | ASN719 |
| B | HOH2452 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | ACT_SITE: Proton acceptor => ECO:0000250 |
| Chain | Residue | Details |
| A | ASP357 | |
| B | ASP357 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 2 |
| Details | ACT_SITE: ACT_SITE => ECO:0000250 |
| Chain | Residue | Details |
| A | GLU632 | |
| B | GLU632 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 4 |
| Details | BINDING: BINDING => ECO:0000250 |
| Chain | Residue | Details |
| A | ARG332 | |
| A | ARG648 | |
| B | ARG332 | |
| B | ARG648 | |
