3zvg

X-ray diffraction
2.1Å resolution

3C protease of Enterovirus 68 complexed with Michael receptor inhibitor 98

Released:

Function and Biology Details

Reactions catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Selective cleavage of Gln-|-Gly bond in the poliovirus polyprotein. In other picornavirus reactions Glu may be substituted for Gln, and Ser or Thr for Gly.
Selective cleavage of Tyr-|-Gly bond in picornavirus polyprotein.
NTP + H(2)O = NDP + phosphate
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-106595 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
3C PROTEASE Chain: A
Molecule details ›
Chain: A
Length: 190 amino acids
Theoretical weight: 21.16 KDa
Source organism: enterovirus D68
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: A1E4A3 (Residues: 1549-1731; Coverage: 8%)
Sequence domains: 3C cysteine protease (picornain 3C)
Structure domains: Trypsin-like serine proteases

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: BESSY BEAMLINE 14.1
Spacegroup: P3121
Unit cell:
a: 56.2Å b: 56.2Å c: 170.231Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.2 0.198 0.237
Expression system: Escherichia coli BL21