Structure of PDB 7qur Chain A Binding Site BS02

Receptor Information
>7qur Chain A (length=1101) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QCVNLTTRTQLPPAYTNSFTRGVYYPDKVFRSSVLHSTQDLFLPFFSNVT
WFHAIHVSGTNGTKRFDNPVLPFNDGVYFASTEKSNIIRGWIFGTTLDSK
TQSLLIVNNATNVVIKVCEFQFCNDPFLGVYYHKNNKSWMESEFRVYSSA
NNCTFEYVSQPFLMDLEGKQGNFKNLREFVFKNIDGYFKIYSKHTPINLV
RDLPQGFSALEPLVDLPIGINITRFQTLLALHRSYLTPGDSSSGWTAGAA
AYYVGYLQPRTFLLKYNENGTITDAVDCALDPLSETKCTLKSFTVEKGIY
QTSNFRVQPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVA
DYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPG
QTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKP
FERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVL
SFELLHAPATVCGPKKSTNLVKNKCVNFNFNGLTGTGVLTESNKKFLPFQ
QFGRDIADTTDAVRDPQTLEILDITPCSFGGVSVITPGTNTSNQVAVLYQ
DVNCTTWRVYSTGSNVFQTRAGCLIGAEHVNNSYECDIPIGAGICASYQT
SQSIIAYTMSLGAENSVAYSNNSIAIPTNFTISVTTEILPVSMTKTSVDC
TMYICGDSTECSNLLLQYGSFCTQLNRALTGIAVEQDKNTQEVFAQVKQI
YKTPPIKDFGGFNFSQILPDPSKPSKRSFIEDLLFNKVTLADAGFIKQYG
DCLGDIAARDLICAQKFNGLTVLPPLLTDEMIAQYTSALLAGTITSGWTF
GAGAALQIPFAMQMAYRFNGIGVTQNVLYENQKLIANQFNSAIGKIQDSL
SSTASALGKLQDVVNQNAQALNTLVKQLSSNFGAISSVLNDILSRLDKVE
AEVQIDRLITGRLQSLQTYVTQQLIRAAEIRASANLAATKMSECVLGQSK
RVDFCGKGYHLMSFPQSAPHGVVFLHVTYVPAQEKNFTTAPAICHDGKAH
FPREGVFVSNGTHWFVTQRNFYEPQIITTDNTFVSGNCDVVIGIVNNTVY
D
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 chain7qur Chain A Residue 1314 [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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PDB7qur Pathogen-sugar interactions revealed by universal saturation transfer analysis.
Resolution2.27 Å
Binding residue
(original residue number in PDB)		Y145 W152 Q183 S247
Binding residue
(residue number reindexed from 1)		Y132 W139 Q170 S234
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Biological Process
GO:0019064 fusion of virus membrane with host plasma membrane
GO:0039654 fusion of virus membrane with host endosome membrane
GO:0046813 receptor-mediated virion attachment to host cell
GO:0075509 endocytosis involved in viral entry into host cell
Cellular Component
GO:0016020 membrane
GO:0019031 viral envelope
GO:0055036 virion membrane

View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7qur, PDBe:7qur, PDBj:7qur
PDBsum7qur
PubMed35737812
UniProtP0DTC2|SPIKE_SARS2 Spike glycoprotein (Gene Name=S)

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