Structure of PDB 2qwf Chain A Binding Site BS02

Receptor Information
>2qwf Chain A (length=388) Species: 11320 (Influenza A virus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RDFNNLTKGLCTINSWHIYGKDNAVRIGEDSDVLVTREPYVSCDPDECRF
YALSQGTTIRGKHSNGTIHDRSQYRALISWPLSSPPTVYNSRVECIGWSS
TSCHDGKTRMSICISGPNNNASAVIWYNRRPVTEINTWARNILRTQESEC
VCHNGVCPVVFTDGSATGPAETRIYYFKEGKILKWEPLAGTAKHIEECSC
YGERAEITCTCKDNWQGSNRPVIRIDPVAMTHTSQYICSPVLTDNPRPND
PTVGKCNDPYPGNNNNGVKGFSYLDGVNTWLGRTISIASRSGYEMLKVPN
ALTDDKSKPTQGQTIVLNTDWSGYSGSFMDYWAEGECYRACFYVELIRGR
PKEDKVWWTSNSIVSMCSSTEFLGQWDWPDGAKIEYFL
Ligand information
Ligand IDG20
InChIInChI=1S/C14H23N5O5/c1-4-5-19(3)12(21)11-10(17-7(2)20)8(18-14(15)16)6-9(24-11)13(22)23/h6,8,10-11H,4-5H2,1-3H3,(H,17,20)(H,22,23)(H4,15,16,18)/t8-,10+,11+/m0/s1
InChIKeyQPJWMZVTNXFTKV-JMJZKYOTSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)C=1OC(C(=O)N(CCC)C)C(NC(=O)C)C(NC(=[N@H])N)C=1
CACTVS 3.341CCCN(C)C(=O)[C@@H]1OC(=C[C@H](NC(N)=N)[C@H]1NC(C)=O)C(O)=O
OpenEye OEToolkits 1.5.0[H]N=C(N)NC1C=C(OC(C1NC(=O)C)C(=O)N(C)CCC)C(=O)O
CACTVS 3.341CCCN(C)C(=O)[CH]1OC(=C[CH](NC(N)=N)[CH]1NC(C)=O)C(O)=O
OpenEye OEToolkits 1.5.0[H]/N=C(/N)\N[C@H]1C=C(O[C@H]([C@@H]1NC(=O)C)C(=O)N(C)CCC)C(=O)O
FormulaC14 H23 N5 O5
Name5-N-acetyl-4-guanidino-6-methyl(propyl) carboxamide-4,5-dihydro-2H-pyran-2-carboxylic acid;
4-ACETYL-4-GUANIDINO-6-METHYL(PROPYL)CARBOXAMIDE-4,5-DIHYDRO-2H-PYRAN-2-CARBOXYLIC ACID
ChEMBLCHEMBL300461
DrugBankDB03503
ZINCZINC000006380100
PDB chain2qwf Chain A Residue 800 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2qwf Drug design against a shifting target: a structural basis for resistance to inhibitors in a variant of influenza virus neuraminidase.
Resolution1.9 Å
Binding residue
(original residue number in PDB)
R118 E119 D151 R152 W178 I222 E227 E277 R371 Y406
Binding residue
(residue number reindexed from 1)
R37 E38 D70 R71 W98 I142 E147 E197 R290 Y324
Annotation score1
Binding affinityMOAD: Ki=2.16uM
PDBbind-CN: -logKd/Ki=5.67,Ki=2.160uM
Enzymatic activity
Catalytic site (original residue number in PDB) D151 E277 K292 R371 Y406
Catalytic site (residue number reindexed from 1) D70 E197 K212 R290 Y324
Enzyme Commision number 3.2.1.18: exo-alpha-sialidase.
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:2qwf, PDBe:2qwf, PDBj:2qwf
PDBsum2qwf
PubMed9655825
UniProtP03472|NRAM_I75A5 Neuraminidase (Gene Name=NA)

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