5w7o

X-ray diffraction
1.75Å resolution

2-Se-T4-DNA and native RNA hybrid in complex with RNase H catalytic domain D132N mutant

Released:
Entry authors: Fang Z, Yang F, Huang Z

Function and Biology Details

Reaction catalysed:
Endonucleolytic cleavage to 5'-phosphomonoester.
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-119338 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
1 distinct RNA molecule
Macromolecules (3 distinct):
Ribonuclease H Chain: A
Molecule details ›
Chain: A
Length: 132 amino acids
Theoretical weight: 15.24 KDa
Source organism: Alkalihalobacillus halodurans C-125
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: Q9KEI9 (Residues: 62-193; Coverage: 67%)
Gene names: BH0863, rnhA
Structure domains: Ribonuclease H-like superfamily/Ribonuclease H
DNA (5'-D(*AP*TP*GP*(US3)P*CP*G)-3') Chain: C
Molecule details ›
Chain: C
Length: 6 nucleotides
Theoretical weight: 1.89 KDa
Source organism: synthetic construct
Expression system: Not provided
RNA (5'-R(*UP*CP*GP*AP*CP*A)-3') Chain: B
Molecule details ›
Chain: B
Length: 6 nucleotides
Theoretical weight: 1.88 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.1
Spacegroup: C2
Unit cell:
a: 80.71Å b: 37.579Å c: 62.319Å
α: 90° β: 96.01° γ: 90°
R-values:
R R work R free
0.184 0.182 0.229
Expression systems:
  • Escherichia coli K-12
  • Not provided