3JU4
Crystal Structure Analysis of EndosialidaseNF at 0.98 A Resolution
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0016996 | molecular_function | endo-alpha-(2,8)-sialidase activity |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 2 |
| Details | ACT_SITE: ACT_SITE => ECO:0000269|PubMed:15608653, ECO:0000269|PubMed:20096705 |
| Chain | Residue | Details |
| A | GLU581 | |
| A | ARG647 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | ACT_SITE: ACT_SITE => ECO:0000269|PubMed:15608653 |
| Chain | Residue | Details |
| A | ARG596 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 6 |
| Details | SITE: Binding to sialic acid => ECO:0000269|PubMed:20096705 |
| Chain | Residue | Details |
| A | HIS542 | |
| A | ASP545 | |
| A | ARG549 | |
| A | ASP578 | |
| A | THR598 | |
| A | ARG599 |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 5 |
| Details | M-CSA 829 |
| Chain | Residue | Details |
| A | TYR325 | promote heterolysis, proton acceptor, proton donor |
| A | HIS350 | promote heterolysis, proton acceptor, proton donor, proton relay |
| A | GLU581 | activator, electrostatic stabiliser, increase nucleophilicity, promote heterolysis, proton acceptor, proton donor |
| A | ARG596 | electrostatic stabiliser, increase acidity |
| A | ARG647 | electrostatic stabiliser, increase acidity |
