Structure of PDB 8igy Chain A Binding Site BS01

Receptor Information

>8igy Chain A (length=305) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2)

SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDVVYCPRHVICTSEDML
NPNYEDLLIRKSNHNFLVQAGNVQLRVIGHSMQNCVLKLKVDTANPKTPK
YKFVRIQPGQTFSVLACYNGSPSGVYQCAMRPNFTIKGSFLNGSCGSVGF
NIDYDCVSFCYMHHMELPTGVHAGTDLEGNFYGPFVDRQTAQAAGTDTTI
TVNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDIL
GPLSAQTGIAVLDMCASLKELLQNGMNGRTILGSALLEDEFTPFDVVRQC
SGVTF

Ligand information

• Ligand ID: 4WI
• InChI: InChI=1S/C23H34F3N5O4/c1-21(2,3)16(30-20(35)23(24,25)26)19(34)31-10-13-14(22(13,4)5)15(31)18(33)29-12(9-27)8-11-6-7-28-17(11)32/h9,11-16,27H,6-8,10H2,1-5H3,(H,28,32)(H,29,33)(H,30,35)/b27-9+/t11-,12-,13-,14-,15-,16+/m0/s1
• InChIKey: WDVIRQQKRMIXGS-XIFHJVQQSA-N
• SMILES:
  CACTVS 3.385: CC(C)(C)[C@H](NC(=O)C(F)(F)F)C(=O)N1C[C@H]2[C@@H]([C@H]1C(=O)N[C@@H](C[C@@H]3CCNC3=O)C=N)C2(C)C
  OpenEye OEToolkits 2.0.7: [H]/N=C/[C@H](C[C@@H]1CCNC1=O)NC(=O)[C@@H]2[C@@H]3[C@@H](C3(C)C)CN2C(=O)[C@H](C(C)(C)C)NC(=O)C(F)(F)F
  ACDLabs 12.01: CC1(C)C2C(C(=O)NC(C=N)CC3CCNC3=O)N(CC21)C(=O)C(NC(=O)C(F)(F)F)C(C)(C)C
  OpenEye OEToolkits 2.0.7: CC1(C2C1C(N(C2)C(=O)C(C(C)(C)C)NC(=O)C(F)(F)F)C(=O)NC(CC3CCNC3=O)C=N)C
  CACTVS 3.385: CC(C)(C)[CH](NC(=O)C(F)(F)F)C(=O)N1C[CH]2[CH]([CH]1C(=O)N[CH](C[CH]3CCNC3=O)C=N)C2(C)C
• Formula: C23 H34 F3 N5 O4
• Name: (1R,2S,5S)-N-{(1E,2S)-1-imino-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}-6,6-dimethyl-3-[3-methyl-N-(trifluoroacetyl)-L-valyl]-3-azabicyclo[3.1.0]hexane-2-carboxamide;
  PF-07321332, bound form;
  nirmatrelvir, bound form;
  Paxlovid, bound form
• PDB chain: 8igy Chain A Residue 401

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8igy Discovery of oral simnotrelvir, an approved SARS-CoV-2 3C-like protease inhibitor for the treatment of COVID-19
• Resolution: 1.96 Å
• Binding residue (original residue number in PDB): H41 F140 G143 C145 H163 H164 M165 E166 L167 R188 Q189 T190
• Binding residue (residue number reindexed from 1): H41 F140 G143 C145 H163 H164 M165 E166 L167 R188 Q189 T190
• 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:8igy, PDBe:8igy, PDBj:8igy
• PDBsum: 8igy
• PubMed: 37833261
• UniProt: P0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)