3tsr

X-ray diffraction
2.2Å resolution

X-ray structure of mouse ribonuclease inhibitor complexed with mouse ribonuclease 1

Released:

Function and Biology Details

Reaction catalysed:
(1a) an (RNA) containing cytidine = an (RNA)-3'-cytidine-2',3'-cyclophosphate + a 5'-hydroxy-ribonucleotide-3'-(RNA)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ribonuclease pancreatic Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 125 amino acids
Theoretical weight: 14.17 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P00683 (Residues: 26-149; Coverage: 100%)
Gene names: Rib-1, Rib1, Rnase1, Rns1
Sequence domains: Pancreatic ribonuclease
Structure domains: Ribonuclease A-like domain
Ribonuclease inhibitor Chains: E, F, G, H
Molecule details ›
Chains: E, F, G, H
Length: 457 amino acids
Theoretical weight: 49.99 KDa
Source organism: Mus musculus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q91VI7 (Residues: 1-456; Coverage: 100%)
Gene names: Rnh, Rnh1
Sequence domains:
Structure domains: Ribonuclease Inhibitor

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-D
Spacegroup: P21
Unit cell:
a: 72.396Å b: 125.341Å c: 123.064Å
α: 90° β: 94.72° γ: 90°
R-values:
R R work R free
0.183 0.182 0.233
Expression system: Escherichia coli BL21(DE3)