1y44

X-ray diffraction
2.1Å resolution

Crystal structure of RNase Z

Released:

Function and Biology Details

Reaction catalysed:
Endonucleolytic cleavage of RNA, removing extra 3' nucleotides from tRNA precursor, generating 3' termini of tRNAs. A 3'-hydroxy group is left at the tRNA terminus and a 5'-phosphoryl group is left at the trailer molecule.
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-157039 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ribonuclease Z Chains: A, B
Molecule details ›
Chains: A, B
Length: 320 amino acids
Theoretical weight: 35.87 KDa
Source organism: Bacillus subtilis
Expression system: Escherichia coli
UniProt:
  • Canonical: P54548 (Residues: 1-307; Coverage: 100%)
Gene names: BSU23840, rnz, yqjK
Sequence domains: Beta-lactamase superfamily domain
Structure domains: Ribonuclease Z/Hydroxyacylglutathione hydrolase-like

Ligands and Environments

1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM30A
Spacegroup: C2221
Unit cell:
a: 42.98Å b: 188.33Å c: 177.91Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.215 0.215 0.248
Expression system: Escherichia coli