Structure of PDB 7tiv Chain A Binding Site BS01

Receptor Information

>7tiv Chain A (length=301) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2)

SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDVVYCPRHVICTSEDML
NPNYEDLLIRKSNHNFLVQAGNVQLRVIGHSMQNCVLKLKVDTANPKTPK
YKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNFTIKGSFLNGSCGSVGF
NIDYDCVSFCYMHHMELPTGVHAGTDLEGNFYGPFVDRQTAQAAGTDTTI
TVNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDIL
GPLSAQTGIAVLDMCASLKELLQNGMNGRTILGSALLEDEFTPFDVVRQC
S

Ligand information

• Ligand ID: W48
• InChI: InChI=1S/C24H32ClN3O8S/c25-18-8-4-7-16(11-18)14-36-24(32)28-19(12-15-5-2-1-3-6-15)22(30)27-20(23(31)37(33,34)35)13-17-9-10-26-21(17)29/h4,7-11,15,17,19-20,23,31H,1-3,5-6,12-14H2,(H,26,29)(H,27,30)(H,28,32)(H,33,34,35)/t17-,19-,20-,23-/m0/s1
• InChIKey: DXPXOBKGTKNZHP-UDSSINMLSA-N
• SMILES:
  OpenEye OEToolkits 2.0.7: c1cc(cc(c1)Cl)COC(=O)N[C@@H](CC2CCCCC2)C(=O)N[C@@H](C[C@@H]3C=CNC3=O)[C@H](O)S(=O)(=O)O
  CACTVS 3.385: O[C@H]([C@H](C[C@@H]1C=CNC1=O)NC(=O)[C@H](CC2CCCCC2)NC(=O)OCc3cccc(Cl)c3)[S](O)(=O)=O
  ACDLabs 12.01: O=C1NC=CC1CC(NC(=O)C(CC1CCCCC1)NC(=O)OCc1cccc(Cl)c1)C(O)S(=O)(=O)O
  CACTVS 3.385: O[CH]([CH](C[CH]1C=CNC1=O)NC(=O)[CH](CC2CCCCC2)NC(=O)OCc3cccc(Cl)c3)[S](O)(=O)=O
  OpenEye OEToolkits 2.0.7: c1cc(cc(c1)Cl)COC(=O)NC(CC2CCCCC2)C(=O)NC(CC3C=CNC3=O)C(O)S(=O)(=O)O
• Formula: C24 H32 Cl N3 O8 S
• Name: (1S,2S)-2-[(N-{[(3-chlorophenyl)methoxy]carbonyl}-3-cyclohexyl-L-alanyl)amino]-1-hydroxy-3-[(3R)-2-oxo-2,3-dihydro-1H-pyrrol-3-yl]propane-1-sulfonic acid
• PDB chain: 7tiv Chain A Residue 401

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7tiv Development of optimized drug-like small molecule inhibitors of the SARS-CoV-2 3CL protease for treatment of COVID-19.
• Resolution: 2.08 Å
• Binding residue (original residue number in PDB): F140 N142 G143 C145 H163 M165 E166 D187 R188
• Binding residue (residue number reindexed from 1): F140 N142 G143 C145 H163 M165 E166 D187 R188
• Annotation score: 1

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

External links

• PDB: RCSB:7tiv, PDBe:7tiv, PDBj:7tiv
• PDBsum: 7tiv
• PubMed: 35393402
• UniProt: P0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)