Structure of PDB 8tj4 Chain A Binding Site BS01

Receptor Information
>8tj4 Chain A (length=317) Species: 385630 (Influenza A virus (A/Bangkok/1/1979(H3N2))) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PGATLCLGHHAVPNGTLVKTITNDQIEVTNATELVQSSSTGRICDSPHRI
LDGKNCTLIDALLGDPHCDGFQNEKWDLFVERSKAFSNCYPYDVPDYASL
RSLVASSGTLEFINEGFNWTGVTQSGGSYACKRGSDNSFFSRLNWLYESE
SKYPVLNVTMPNNGNFDKLYIWGVHHPSTDKEQTNLYVRASGRVTVSTKR
SQQTIIPNIGSRPWVRGLSSRISIYWTIVKPGDILLINSNGNLIAPRGYF
KIRTGKSSIMRSDAPIGTCSSECITPNGSIPNDKPFQNVNKITYGACPKY
VKQNTLKLATGMRNVPE
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 chain8tj4 Chain a Residue 3 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB8tj4 Evolution of human H3N2 influenza virus receptor specificity has substantially expanded the receptor-binding domain site.
Resolution1.95 Å
Binding residue
(original residue number in PDB)		Y98 G135 S136 Y137 W153 H183 E190 L194 S228
Binding residue
(residue number reindexed from 1)		Y90 G127 S128 Y129 W145 H175 E182 L186 S220
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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:8tj4, PDBe:8tj4, PDBj:8tj4
PDBsum8tj4
PubMed38307019
UniProtP03441|HEMA_I79A0 Hemagglutinin (Fragment) (Gene Name=HA)

[Back to BioLiP]