Structure of PDB 7mc6 Chain A Binding Site BS02

Receptor Information

>7mc6 Chain A (length=285) Species: 2697049 (Severe acute respiratory syndrome coronavirus 2)

NVTGLFKDCSKVITGLHPTQAPTHLSVDTKFKTEGLCVDIPGIPKDMTYR
RLISMMGFKMNYQVNGYPNMFITREEAIRHVRAWIGFDVEGCHATREAVG
TNLPLQLGFSTGVNLVAVPTGYVDTPNNTDFSRVSAKPPPGDQFKHLIPL
MYKGLPWNVVRIKIVQMLSDTLKNLSDRVVFVLWAHGFQLTSMKYFVKIG
PERTCCLCDRRATCFSTASDTYACWHHSIGFDYVYNPFMIDVQQWGFTGN
LQSNHDLYCQVHGNAHVASCDAIMTRCLAVHECFV

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: 7mc6 Chain A Residue 302

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7mc6 Structure and dynamics of SARS-CoV-2 proofreading exoribonuclease ExoN.
• Resolution: 2.1 Å
• Binding residue (original residue number in PDB): H257 C261 H264 C279
• Binding residue (residue number reindexed from 1): H255 C259 H262 C277
• 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:0000175 3'-5'-RNA exonuclease activity
• GO:0004532 RNA exonuclease activity
• GO:0008168 methyltransferase activity

External links

• PDB: RCSB:7mc6, PDBe:7mc6, PDBj:7mc6
• PDBsum: 7mc6
• PubMed: 35165203
• UniProt: P0DTD1|R1AB_SARS2 Replicase polyprotein 1ab (Gene Name=rep)