4j5k

X-ray diffraction
1.23Å resolution

Crystal structure analysis of Streptomyces aureofaciens ribonuclease Sa Y51F mutant

Released:

Function and Biology Details

Reaction catalysed:
(1a) (RNA) containing guanosine = (RNA fragment)-3'-guanosine-2',3'-cyclophosphate + a 5'-hydroxy-ribonucleotide-3'-(RNA fragment)
Biochemical function:
Biological process:
  • not assigned
Cellular component:

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
PDBe Complex ID:
PDB-CPX-138777 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Guanyl-specific ribonuclease Sa Chains: A, B
Molecule details ›
Chains: A, B
Length: 96 amino acids
Theoretical weight: 10.57 KDa
Source organism: Kitasatospora aureofaciens
Expression system: Escherichia coli
UniProt:
  • Canonical: P05798 (Residues: 1-96; Coverage: 100%)
Gene name: rnaSA
Sequence domains: ribonuclease
Structure domains: Microbial ribonucleases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X31
Spacegroup: P212121
Unit cell:
a: 38.303Å b: 63.813Å c: 77.624Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.106 0.104 0.136
Expression system: Escherichia coli