2QWB
THE X-RAY STRUCTURE OF A COMPLEX OF SIALIC ACID AND A DRUG RESISTANT VARIANT R292K OF TERN N9 INFLUENZA VIRUS NEURAMINIDASE
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004308 | molecular_function | exo-alpha-sialidase activity |
| A | 0005975 | biological_process | carbohydrate metabolic process |
| A | 0016020 | cellular_component | membrane |
| A | 0033644 | cellular_component | host cell membrane |
| A | 0046761 | biological_process | viral budding from plasma membrane |
| A | 0055036 | cellular_component | virion membrane |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton donor/acceptor => ECO:0000255|HAMAP-Rule:MF_04071 |
| Chain | Residue | Details |
| A | ASP151 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | ACT_SITE: Nucleophile => ECO:0000255|HAMAP-Rule:MF_04071 |
| Chain | Residue | Details |
| A | TYR406 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 5 |
| Details | BINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_04071 |
| Chain | Residue | Details |
| A | ARG118 | |
| A | ARG152 | |
| A | GLU276 | |
| A | LYS292 | |
| A | ARG371 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 4 |
| Details | BINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_04071, ECO:0000269|PubMed:23429702, ECO:0000269|PubMed:7549872, ECO:0000269|PubMed:8371267, ECO:0000269|PubMed:9342319 |
| Chain | Residue | Details |
| A | ASP293 | |
| A | GLY297 | |
| A | ASP324 | |
| A | ASN347 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 3 |
| Details | CARBOHYD: N-linked (GlcNAc...) asparagine; by host => ECO:0000255|HAMAP-Rule:MF_04071, ECO:0000269|PubMed:23429702, ECO:0000269|PubMed:7549872, ECO:0000269|PubMed:9342319 |
| Chain | Residue | Details |
| A | ASN86 | |
| A | ASN146 | |
| A | ASN200 |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 2 |
| Details | Annotated By Reference To The Literature 1a4g |
| Chain | Residue | Details |
| A | ASP151 | |
| A | GLU277 |
| site_id | CSA2 |
| Number of Residues | 5 |
| Details | Annotated By Reference To The Literature 1a4g |
| Chain | Residue | Details |
| A | GLU277 | |
| A | ASP151 | |
| A | ARG220 | |
| A | TRP12 | |
| A | ARG371 |
| site_id | MCSA1 |
| Number of Residues | 5 |
| Details | M-CSA 828 |
| Chain | Residue | Details |
| A | ASP151 | activator, electrostatic stabiliser, increase acidity, increase nucleophilicity, proton acceptor, proton donor |
| A | GLU277 | activator, electrostatic stabiliser, increase nucleophilicity, promote heterolysis, proton acceptor, proton donor |
| A | LYS292 | electrostatic stabiliser |
| A | ARG371 | electrostatic stabiliser |
| A | TYR406 | electrostatic stabiliser, nucleofuge, nucleophile, proton acceptor, proton donor |
