Structure of PDB 7lkw Chain B Binding Site BS02

Receptor Information

>7lkw Chain B (length=300) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2)

FRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDVVYCPRHVICTSEDMLNP
NYEDLLIRKSNHNFLVQAGNVQLRVIGHSMQNCVLKLKVDTANPKTPKYK
FVRIQPGQTFSVLACYNGSPSGVYQCAMRPNFTIKGSFLNGSCGSVGFNI
DYDCVSFCYMHHMELPTGVHAGTDLEGNFYGPFVDRQTAQAAGTDTTITV
NVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYEPLTQDHVDILGP
LSAQTGIAVLDMCASLKELLQNGMNGRTILGSALLEDEFTPFDVVRQCSG

Ligand information

• Ligand ID: Y8V
• InChI: InChI=1S/C24H39N3O8S/c1-14(2)8-19(27-24(31)35-13-17-10-15-4-3-5-16(9-15)11-17)22(29)26-20(23(30)36(32,33)34)12-18-6-7-25-21(18)28/h3-4,14-20,23,30H,5-13H2,1-2H3,(H,25,28)(H,26,29)(H,27,31)(H,32,33,34)/t15-,16+,17+,18-,19-,20-,23-/m0/s1
• InChIKey: ZIWRGXZFSGDQST-UIEASHSYSA-N
• SMILES:
  CACTVS 3.385: CC(C)C[CH](NC(=O)OC[CH]1C[CH]2CC=C[CH](C1)C2)C(=O)N[CH](C[CH]3CCNC3=O)[CH](O)[S](O)(=O)=O
  OpenEye OEToolkits 2.0.7: CC(C)C[C@@H](C(=O)N[C@@H](C[C@@H]1CCNC1=O)[C@@H](O)S(=O)(=O)O)NC(=O)OC[C@H]2C[C@@H]3CC=C[C@@H](C3)C2
  CACTVS 3.385: CC(C)C[C@H](NC(=O)OC[C@H]1C[C@@H]2CC=C[C@H](C1)C2)C(=O)N[C@@H](C[C@@H]3CCNC3=O)[C@@H](O)[S](O)(=O)=O
  OpenEye OEToolkits 2.0.7: CC(C)CC(C(=O)NC(CC1CCNC1=O)C(O)S(=O)(=O)O)NC(=O)OCC2CC3CC=CC(C3)C2
• Formula: C24 H39 N3 O8 S
• Name: (1S,2S)-2-((S)-2-(((((1R,3S,5S)-bicyclo[3.3.1]non-6-en-3-yl)methoxy)carbonyl)amino)-4-methylpentanamido)-1-hydroxy-3-((S)-2-oxopyrrolidin-3-yl)propane-1-sulfonic acid
• PDB chain: 7lkw Chain B Residue 403

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7lkw Structure-Guided Design of Conformationally Constrained Cyclohexane Inhibitors of Severe Acute Respiratory Syndrome Coronavirus-2 3CL Protease.
• Resolution: 1.7 Å
• Binding residue (original residue number in PDB): N142 G143 C145 H163 H164 M165 E166 P168 D187 Q189
• Binding residue (residue number reindexed from 1): N140 G141 C143 H161 H162 M163 E164 P166 D185 Q187
• 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:7lkw, PDBe:7lkw, PDBj:7lkw
• PDBsum: 7lkw
• PubMed: 34213885
• UniProt: P0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)