3e90

X-ray diffraction
2.45Å resolution

West Nile vi rus NS2B-NS3protease in complexed with inhibitor Naph-KKR-H

Released:

Function and Biology Details

Reactions catalysed:
S-adenosyl-L-methionine + a 5'-(5'-triphosphoguanosine)-[mRNA] = S-adenosyl-L-homocysteine + a 5'-(N(7)-methyl 5'-triphosphoguanosine)-[mRNA]
S-adenosyl-L-methionine + a 5'-(N(7)-methyl 5'-triphosphoguanosine)-(ribonucleotide)-[mRNA] = S-adenosyl-L-homocysteine + a 5'-(N(7)-methyl 5'-triphosphoguanosine)-(2'-O-methyl-ribonucleotide)-[mRNA]
Nucleoside triphosphate + RNA(n) = diphosphate + RNA(n+1)
Selective hydrolysis of -Xaa-Xaa-|-Yaa- bonds in which each of the Xaa can be either Arg or Lys and Yaa can be either Ser or Ala.
NTP + H(2)O = NDP + phosphate
ATP + H(2)O = ADP + phosphate
Biochemical function:
Biological process:
  • not assigned
Cellular component:

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
PDBe Complex ID:
PDB-CPX-139306 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine protease subunit NS2B Chains: A, C
Molecule details ›
Chains: A, C
Length: 50 amino acids
Theoretical weight: 5.38 KDa
Source organism: West Nile virus
Expression system: Escherichia coli
UniProt:
  • Canonical: P06935 (Residues: 1419-1463; Coverage: 1%)
Sequence domains: Flavivirus non-structural protein NS2B
Serine protease/Helicase NS3 Chains: B, D
Molecule details ›
Chains: B, D
Length: 198 amino acids
Theoretical weight: 21.37 KDa
Source organism: West Nile virus
Expression system: Escherichia coli
UniProt:
  • Canonical: P06935 (Residues: 1502-1685; Coverage: 5%)
Sequence domains: Peptidase S7, Flavivirus NS3 serine protease
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU FR-E SUPERBRIGHT
Spacegroup: C2221
Unit cell:
a: 87.511Å b: 165.915Å c: 79.818Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.197 0.244
Expression system: Escherichia coli