Structure of PDB 7t49 Chain B Binding Site BS02

Receptor Information
>7t49 Chain B (length=300) 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]
FRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDVVYCPRHVICTSEDMLNP
NYEDLLIRKSNHNFLVQAGNVQLRVIGHSMQNCVLKLKVDTANPKTPKYK
FVRIQPGQTFSVLACYNGSPSGVYQCAMRPNFTIKGSFLNGSCGSVGFNI
DYDCVSFCYMHHMELPTGVHAGTDLEGNFYGPFVDRQTAQAAGTDTTITV
NVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGP
LSAQTGIAVLDMCASLKELLQNGMNGRTILGSALLEDEFTPFDVVRQCSG
Ligand information
Ligand IDFVE
InChIInChI=1S/C23H40N4O10S2/c1-14(2)10-17(20(29)25-18(21(30)39(34,35)36)11-15-4-7-24-19(15)28)26-22(31)37-16-12-23(13-16)5-8-27(9-6-23)38(3,32)33/h14-18,21,30H,4-13H2,1-3H3,(H,24,28)(H,25,29)(H,26,31)(H,34,35,36)/t15-,17-,18-,21-/m0/s1
InChIKeyDXHKTWBJEAVWSD-DBSRCYSRSA-N
SMILES
SoftwareSMILES
CACTVS 3.385CC(C)C[CH](NC(=O)OC1CC2(CCN(CC2)[S](C)(=O)=O)C1)C(=O)N[CH](C[CH]3CCNC3=O)[CH](O)[S](O)(=O)=O
OpenEye OEToolkits 2.0.7CC(C)CC(C(=O)NC(CC1CCNC1=O)C(O)S(=O)(=O)O)NC(=O)OC2CC3(C2)CCN(CC3)S(=O)(=O)C
CACTVS 3.385CC(C)C[C@H](NC(=O)OC1CC2(CCN(CC2)[S](C)(=O)=O)C1)C(=O)N[C@@H](C[C@@H]3CCNC3=O)[C@@H](O)[S](O)(=O)=O
ACDLabs 12.01O=C1NCCC1CC(NC(=O)C(CC(C)C)NC(=O)OC1CC2(CCN(CC2)S(C)(=O)=O)C1)C(O)S(=O)(=O)O
OpenEye OEToolkits 2.0.7CC(C)C[C@@H](C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@@H](O)S(=O)(=O)O)NC(=O)OC2CC3(C2)CCN(CC3)S(=O)(=O)C
FormulaC23 H40 N4 O10 S2
Name(1S,2S)-1-hydroxy-2-{[N-({[7-(methanesulfonyl)-7-azaspiro[3.5]nonan-2-yl]oxy}carbonyl)-L-leucyl]amino}-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid
ChEMBL
DrugBank
ZINC
PDB chain7t49 Chain B Residue 402 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7t49 Structure-Guided Design of Potent Spirocyclic Inhibitors of Severe Acute Respiratory Syndrome Coronavirus-2 3C-like Protease.
Resolution1.75 Å
Binding residue
(original residue number in PDB)		H41 N142 C145 H163 H164 M165 E166 Q189
Binding residue
(residue number reindexed from 1)		H39 N140 C143 H161 H162 M163 E164 Q187
Annotation score1
Enzymatic activity
Enzyme Commision number 2.1.1.56: mRNA (guanine-N(7))-methyltransferase.
2.1.1.57: methyltransferase cap1.
2.7.7.48: RNA-directed RNA polymerase.
2.7.7.50: mRNA guanylyltransferase.
3.1.13.-
3.4.19.12: ubiquitinyl hydrolase 1.
3.4.22.-
3.4.22.69: SARS coronavirus main proteinase.
3.6.4.12: DNA helicase.
3.6.4.13: RNA helicase.
4.6.1.-
Gene Ontology
Molecular Function
GO:0008233 peptidase activity
Biological Process
GO:0019082 viral protein processing

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Molecular Function
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Biological Process
External links
PDB RCSB:7t49, PDBe:7t49, PDBj:7t49
PDBsum7t49
PubMed35638577
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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