Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1NN2

THREE-DIMENSIONAL STRUCTURE OF THE NEURAMINIDASE OF INFLUENZA VIRUS A(SLASH)TOKYO(SLASH)3(SLASH)67 AT 2.2 ANGSTROMS RESOLUTION

Functional Information from GO Data
ChainGOidnamespacecontents
A0004308molecular_functionexo-alpha-sialidase activity
A0005975biological_processcarbohydrate metabolic process
A0016020cellular_componentmembrane
A0033644cellular_componenthost cell membrane
A0046761biological_processviral budding from plasma membrane
A0055036cellular_componentvirion membrane
Functional Information from PROSITE/UniProt
site_idPS00022
Number of Residues12
DetailsEGF_1 EGF-like domain signature 1. CsCypRypGVrC
ChainResidueDetails
ACYS278-CYS289

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues378
DetailsRegion: {"description":"Head of neuraminidase","evidences":[{"source":"HAMAP-Rule","id":"MF_04071","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues25
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues9
DetailsCompositional bias: {"description":"Low complexity","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_04071","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"HAMAP-Rule","id":"MF_04071","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_04071","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_04071","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1920428","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7844831","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7880809","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"1920428","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7844831","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7880809","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine; by host","evidences":[{"source":"HAMAP-Rule","id":"MF_04071","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"1920428","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7844831","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7880809","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine; by host","evidences":[{"source":"PubMed","id":"1920428","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7844831","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7880809","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine; by host","evidences":[{"source":"HAMAP-Rule","id":"MF_04071","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"7844831","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7880809","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine; by host","evidences":[{"source":"HAMAP-Rule","id":"MF_04071","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a4g
ChainResidueDetails
AASP151
AGLU277

243083

PDB entries from 2025-10-15

PDB statisticsPDBj update infoContact PDBjnumon