6t2x

X-ray diffraction
1.54Å resolution

3C-like protease from Southampton virus complexed with FMOPL000004a.

Released:
Model geometry
Fit model/data

Function and Biology Details

Reactions catalysed:
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Endopeptidase with a preference for cleavage when the P1 position is occupied by Glu-|- and the P1' position is occupied by Gly-|-
NTP + H(2)O = NDP + phosphate
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-170036 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
3C-like protease Chain: A
Molecule details ›
Chain: A
Length: 172 amino acids
Theoretical weight: 18.39 KDa
Source organism: Southampton virus (serotype 3)
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: Q04544 (Residues: 1100-1271; Coverage: 10%)
Gene name: ORF1
3C-like protease Chain: B
Molecule details ›
Chain: B
Length: 172 amino acids
Theoretical weight: 18.39 KDa
Source organism: Southampton virus (serotype 3)
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'
UniProt:
  • Canonical: Q04544 (Residues: 1101-1272; Coverage: 10%)
Gene name: ORF1

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: DIAMOND BEAMLINE I04-1
Spacegroup: C2
Unit cell:
a: 62.89Å b: 89.36Å c: 61.44Å
α: 90° β: 96.73° γ: 90°
R-values:
R R work R free
0.14 0.137 0.198
Expression system: Escherichia coli 'BL21-Gold(DE3)pLysS AG'