Structure of PDB 7t4b Chain B Binding Site BS02

Receptor Information
>7t4b Chain B (length=302) 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
SG
Ligand information
Ligand IDFZI
InChIInChI=1S/C23H38N4O10S/c1-13(2)8-16(26-21(31)36-12-14-10-27(11-14)22(32)37-23(3,4)5)19(29)25-17(20(30)38(33,34)35)9-15-6-7-24-18(15)28/h6-7,13-17,20,30H,8-12H2,1-5H3,(H,24,28)(H,25,29)(H,26,31)(H,33,34,35)/t15-,16-,17-,20?/m0/s1
InChIKeyWDYXMIZDWOFVQK-HTCLRFROSA-N
SMILES
SoftwareSMILES
CACTVS 3.385CC(C)C[CH](NC(=O)OCC1CN(C1)C(=O)OC(C)(C)C)C(=O)N[CH](C[CH]2C=CNC2=O)[CH](O)[S](O)(=O)=O
ACDLabs 12.01CC(C)(C)OC(=O)N1CC(COC(=O)NC(CC(C)C)C(=O)NC(CC2C=CNC2=O)C(O)S(=O)(=O)O)C1
CACTVS 3.385CC(C)C[C@H](NC(=O)OCC1CN(C1)C(=O)OC(C)(C)C)C(=O)N[C@@H](C[C@@H]2C=CNC2=O)[C@@H](O)[S](O)(=O)=O
OpenEye OEToolkits 2.0.7CC(C)CC(C(=O)NC(CC1C=CNC1=O)C(O)S(=O)(=O)O)NC(=O)OCC2CN(C2)C(=O)OC(C)(C)C
OpenEye OEToolkits 2.0.7CC(C)C[C@@H](C(=O)N[C@@H](C[C@@H]1C=CNC1=O)[C@@H](O)S(=O)(=O)O)NC(=O)OCC2CN(C2)C(=O)OC(C)(C)C
FormulaC23 H38 N4 O10 S
Name(1S,2S)-2-{[N-({[1-(tert-butoxycarbonyl)azetidin-3-yl]methoxy}carbonyl)-L-leucyl]amino}-1-hydroxy-3-[(3R)-2-oxo-2,3-dihydro-1H-pyrrol-3-yl]propane-1-sulfonic acid
ChEMBL
DrugBank
ZINC
PDB chain7t4b Chain B Residue 403 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7t4b Structure-Guided Design of Potent Spirocyclic Inhibitors of Severe Acute Respiratory Syndrome Coronavirus-2 3C-like Protease.
Resolution1.6 Å
Binding residue
(original residue number in PDB)		H41 N142 C145 H163 H164 M165 E166 D187 Q189
Binding residue
(residue number reindexed from 1)		H41 N142 C145 H163 H164 M165 E166 D187 Q189
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

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:7t4b, PDBe:7t4b, PDBj:7t4b
PDBsum7t4b
PubMed35638577
UniProtP0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)

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