Structure of PDB 1nna Chain A

Receptor sequence
>1nnaA (length=387) Species: 11320 (Influenza A virus) [Search protein sequence]
DFNNLTKGLCTINSWHIYGKDNAVRIGEDSDVLVTREPYVSCDPDECRFY
ALSQGTTIRGKHSNGTIHDRSQYRALISWPLSSPPTVYNSRVECIGWSST
SCHDGKTRMSICISGPNNNASAVIWYNRRPVTEINTWARNILRTQESECV
CHNGVCPVVFTDGSATGPAETRIYYFKEGKILKWEPLAGTAKHIEECSCY
GERAEITCTCRDNWQGSNRPVIRIDPVAMTHTSQYICSPVLTDNPRPNDP
TVGKCNDPYPGNNNNGVKGFSYLDGVNTWLGRTISIASRSGYEMLKVPNA
LTDDKSKPTQGQTIVLNTDWSGYSGSFMDYWAEGECYRACFYVELIRGRP
KEDKVWWTSNSIVSMCSSTEFLGQWDWPDGAKIEYFL
3D structure
PDB1nna Three-dimensional structure of influenza A N9 neuraminidase and its complex with the inhibitor 2-deoxy 2,3-dehydro-N-acetyl neuraminic acid.
ChainA
Resolution2.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D152 E279 R294 R372 Y406
Catalytic site (residue number reindexed from 1) D69 E196 R211 R289 Y323
Enzyme Commision number 3.2.1.18: exo-alpha-sialidase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 CA A D295 G299 D326 N348 D212 G216 D243 N265
Gene Ontology
Molecular Function
GO:0004308 exo-alpha-sialidase activity
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0046761 viral budding from plasma membrane
Cellular Component
GO:0016020 membrane
GO:0033644 host cell membrane
GO:0055036 virion membrane

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1nna, PDBe:1nna, PDBj:1nna
PDBsum1nna
PubMed8371267
UniProtP03472|NRAM_I75A5 Neuraminidase (Gene Name=NA)

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