Structure of PDB 1inv Chain A Binding Site BS02

Receptor Information
>1inv Chain A (length=390) Species: 11520 (Influenza B virus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EPEWTYPRLSCQGSTFQKALLISPHRFGEIKGNSAPLIIREPFVACGPKE
CRHFALTHYAAQPGGYYNGTRKDRNKLRHLVSVKLGKIPTVENSIFHMAA
WSGSACHDGREWTYIGVDGPDNDALVKIKYGEAYTDTYHSYAHNILRTQE
SACNCIGGDCYLMITDGSASGISKCRFLKIREGRIIKEILPTGRVEHTEE
CTCGFASNKTIECACRDNSYTAKRPFVKLNVETDTAEIRLMCTKTYLDTP
RPDDGSIAGPCESNGDKWLGGIKGGFVHQRMASKIGRWYSRTMSKTNRMG
MELYVRYDGDPWTDSDALTLSGVMVSIEEPGWYSFGFEIKDKKCDVPCIG
IEMVHDGGKDTWHSAATAIYCLMGSGQLLWDTVTGVDMAL
Ligand information
Ligand IDEQP
InChIInChI=1S/C10H20NO9P/c1-4(13)11-8-5(14)2-7(21(17,18)19)20-10(8)9(16)6(15)3-12/h5-10,12,14-16H,2-3H2,1H3,(H,11,13)(H2,17,18,19)/t5-,6+,7+,8+,9+,10+/m0/s1
InChIKeyQITAGYVZDNZULE-IHICSVBISA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=P(O)(O)C1OC(C(NC(=O)C)C(O)C1)C(O)C(O)CO
CACTVS 3.341CC(=O)N[C@@H]1[C@@H](O)C[C@H](O[C@H]1[C@H](O)[C@H](O)CO)[P](O)(O)=O
OpenEye OEToolkits 1.5.0CC(=O)N[C@@H]1[C@H](C[C@H](O[C@H]1[C@@H]([C@@H](CO)O)O)P(=O)(O)O)O
OpenEye OEToolkits 1.5.0CC(=O)NC1C(CC(OC1C(C(CO)O)O)P(=O)(O)O)O
CACTVS 3.341CC(=O)N[CH]1[CH](O)C[CH](O[CH]1[CH](O)[CH](O)CO)[P](O)(O)=O
FormulaC10 H20 N O9 P
Name(1R)-4-acetamido-1,5-anhydro-2,4-dideoxy-1-phosphono-D-glycero-D-galacto-octitol;
(4-ACETAMIDO-2,4-DIDEOXY-D-GLYCERO-ALPHA-D-GALACTO-1-OCTOPYRANOSYL)PHOSPHONIC ACID
ChEMBL
DrugBank
ZINCZINC000005884132
PDB chain1inv Chain A Residue 500 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1inv A sialic acid-derived phosphonate analog inhibits different strains of influenza virus neuraminidase with different efficiencies.
Resolution2.4 Å
Binding residue
(original residue number in PDB)
R116 E117 D149 R223 A245 E275 R374 Y409
Binding residue
(residue number reindexed from 1)
R40 E41 D73 R147 A169 E199 R298 Y333
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D149 E276 R292 R374 Y409
Catalytic site (residue number reindexed from 1) D73 E200 R216 R298 Y333
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
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:1inv, PDBe:1inv, PDBj:1inv
PDBsum1inv
PubMed7844831
UniProtP03474|NRAM_INBLE Neuraminidase (Gene Name=NA)

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