Structure of PDB 4kdo Chain C Binding Site BS01

Receptor Information
>4kdo Chain C (length=322) Species: 284218 (Influenza A virus (A/Viet Nam/1203/2004(H5N1))) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QDQICIGYHANNSTEQVDTIMEKNVTVTHAQDILEKKHNGKLCDLDGVKP
LILRDCSVAGWLLGNPMCDEFINVPEWSYIVEKANPVNDLCYPGDFNDYE
ELKHLLSRINHFEKIQIIPKSSWSSHEASLGVSSACPYQGKSSFFRNVVW
LIKKDSTYPTIKRSYNNTNQEDLLVLWGIHHPNDAAEQTKLYQNPTTYIS
VGTSTLNQRLVPRIATRSKVKGLSGRMEFFWTILKPNDAINFESNGNFIA
PEYAYKIVKKGDSTIMKSELEYGNCNTKCQTPMGAINSSMPFHNIHPLTI
GECPKYVKSNRLVLAIGLRNSP
Ligand information
Ligand IDSIA
InChIInChI=1S/C11H19NO9/c1-4(14)12-7-5(15)2-11(20,10(18)19)21-9(7)8(17)6(16)3-13/h5-9,13,15-17,20H,2-3H2,1H3,(H,12,14)(H,18,19)/t5-,6+,7+,8+,9+,11+/m0/s1
InChIKeySQVRNKJHWKZAKO-YRMXFSIDSA-N
SMILES
SoftwareSMILES
CACTVS 3.341CC(=O)N[CH]1[CH](O)C[C](O)(O[CH]1[CH](O)[CH](O)CO)C(O)=O
OpenEye OEToolkits 1.5.0CC(=O)NC1C(CC(OC1C(C(CO)O)O)(C(=O)O)O)O
OpenEye OEToolkits 1.5.0CC(=O)N[C@@H]1[C@H](C[C@@](O[C@H]1[C@@H]([C@@H](CO)O)O)(C(=O)O)O)O
ACDLabs 10.04O=C(O)C1(O)OC(C(O)C(O)CO)C(NC(=O)C)C(O)C1
CACTVS 3.341CC(=O)N[C@@H]1[C@@H](O)C[C@@](O)(O[C@H]1[C@H](O)[C@H](O)CO)C(O)=O
FormulaC11 H19 N O9
NameN-acetyl-alpha-neuraminic acid;
N-acetylneuraminic acid;
sialic acid;
alpha-sialic acid;
O-SIALIC ACID
ChEMBLCHEMBL1234621
DrugBankDB03721
ZINCZINC000004081651
PDB chain4kdo Chain I Residue 3 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB4kdo Structure and receptor-binding properties of an airborne transmissible avian influenza A virus hemagglutinin H5 (VN1203mut).
Resolution2.396 Å
Binding residue
(original residue number in PDB)		Y95 V135 S136 W153 I155 H183 E190 L194
Binding residue
(residue number reindexed from 1)		Y92 V132 S133 W150 I152 H180 E187 L191
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0046789 host cell surface receptor binding
Biological Process
GO:0019064 fusion of virus membrane with host plasma membrane
Cellular Component
GO:0019031 viral envelope

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4kdo, PDBe:4kdo, PDBj:4kdo
PDBsum4kdo
PubMed23794001
UniProtQ6DQ33

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