Structure of PDB 8a4q Chain A Binding Site BS01

Receptor Information
>8a4q Chain A (length=306) 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]
SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDVVYCPRHVICTSEDML
NPNYEDLLIRKSNHNFLVQAGNVQLRVIGHSMQNCVLKLKVDTANPKTPK
YKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNFTIKGSFLNGSCGSVGF
NIDYDCVSFCYMHHMELPTGVHAGTDLEGNFYGPFVDRQTAQAAGTDTTI
TVNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDIL
GPLSAQTGIAVLDMCASLKELLQNGMNGRTILGSALLEDEFTPFDVVRQC
SGVTFQ
Ligand information
Ligand IDV9R
InChIInChI=1S/C31H41N5O7/c1-31(2,3)43-30(42)35-22-10-7-15-36(29(22)41)24(16-19-11-12-19)27(39)34-23(17-21-13-14-32-26(21)38)25(37)28(40)33-18-20-8-5-4-6-9-20/h4-10,15,19,21,23-25,37H,11-14,16-18H2,1-3H3,(H,32,38)(H,33,40)(H,34,39)(H,35,42)/t21-,23-,24+,25-/m0/s1
InChIKeyFRACPXUHUTXLCX-CGBRIMPHSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7CC(C)(C)OC(=O)NC1=CC=CN(C1=O)[C@H](CC2CC2)C(=O)N[C@@H](C[C@@H]3CCNC3=O)[C@@H](C(=O)NCc4ccccc4)O
OpenEye OEToolkits 2.0.7CC(C)(C)OC(=O)NC1=CC=CN(C1=O)C(CC2CC2)C(=O)NC(CC3CCNC3=O)C(C(=O)NCc4ccccc4)O
CACTVS 3.385CC(C)(C)OC(=O)NC1=CC=CN([CH](CC2CC2)C(=O)N[CH](C[CH]3CCNC3=O)[CH](O)C(=O)NCc4ccccc4)C1=O
CACTVS 3.385CC(C)(C)OC(=O)NC1=CC=CN([C@H](CC2CC2)C(=O)N[C@@H](C[C@@H]3CCNC3=O)[C@H](O)C(=O)NCc4ccccc4)C1=O
FormulaC31 H41 N5 O7
Name~{tert}-butyl ~{N}-[1-[(2~{R})-3-cyclopropyl-1-oxidanylidene-1-[[(2~{S},3~{S})-3-oxidanyl-4-oxidanylidene-1-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]-4-[(phenylmethyl)amino]butan-2-yl]amino]propan-2-yl]-2-oxidanylidene-pyridin-3-yl]carbamate;
(R,S,S)-13b;
13b-H;
ketoamide inhibitor 13b (bound)
ChEMBL
DrugBank
ZINC
PDB chain8a4q Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB8a4q Diastereomeric Resolution Yields Highly Potent Inhibitor of SARS-CoV-2 Main Protease.
Resolution1.75 Å
Binding residue
(original residue number in PDB)
H41 S46 M49 F140 N142 G143 C145 H163 E166
Binding residue
(residue number reindexed from 1)
H41 S46 M49 F140 N142 G143 C145 H163 E166
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:8a4q, PDBe:8a4q, PDBj:8a4q
PDBsum8a4q
PubMed36179320
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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