Structure of PDB 8iho Chain C Binding Site BS03

Receptor Information

>8iho Chain C (length=307) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2)

TIKVFTTVDNINLHTQVVDMSQQFGPTYLDGADVTKIKPHNSHEGKTFYV
LPNDDTLRVEAFEYYHTTDPSFLGRYMSALNHTKKWKYPQVNGLTSIKWA
DNNCYLATALLTLQQIELKFNPPALQDAYYRARAGEAANFCALILAYCNK
TVGELGDVRETMSYLFQHANLDSCKRVLNVVCKTCGQQQTTLKGVEAVMY
MGTLSYEQFKKGVQIPCTCGKQATKYLVQQESPFVMMSAPPAQYELKHGT
FTCASEYTGNYQCGHYKHITSKETLYCIDGALLTKSSEYKGPITDVFYKE
NSYTTTI

Ligand information

• Ligand ID: ZN
• InChI: InChI=1S/Zn/q+2
• InChIKey: PTFCDOFLOPIGGS-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Zn++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Zn+2]
• Formula: Zn
• Name: ZINC ION
• ChEMBL: CHEMBL1236970
• DrugBank: DB14532
• PDB chain: 8iho Chain C Residue 401

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8iho Structure-Based Design of Potent Peptidomimetic Inhibitors Covalently Targeting SARS-CoV-2 Papain-like Protease.
• Resolution: 2.55 Å
• Binding residue (original residue number in PDB): C189 C192 C224 C226
• Binding residue (residue number reindexed from 1): C182 C185 C217 C219
• 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:0008234 cysteine-type peptidase activity

Biological Process

• GO:0006508 proteolysis

External links

• PDB: RCSB:8iho, PDBe:8iho, PDBj:8iho
• PDBsum: 8iho
• PubMed: 37239980
• UniProt: P0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)