› 1xpt

X-ray diffraction
1.9Å resolution

BOVINE RIBONUCLEASE A (PHOSPHATE-FREE)

Released:
DOI: 10.2210/pdb1xpt/pdb
PDB entry 1xpt coloured by chain, front view.
PDB entry 1xpt coloured by chain, side view.
PDB entry 1xpt coloured by chain, top view.
Source organism: Bos taurus
Primary publication:
Plasticity, hydration and accessibility in ribonuclease A. The structure of a new crystal form and its low-humidity variant.
Sadasivan C, Nagendra HG, Vijayan M
Acta Crystallogr D Biol Crystallogr 54 1343-52 (1998)
PMID: 10089510

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:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-158390 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ribonuclease pancreatic Chains: A, B
Molecule details ›
Chains: A, B
Length: 124 amino acids
Theoretical weight: 13.71 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P61823 (Residues: 27-150; Coverage: 100%)
Gene names: RNASE1, RNS1
Sequence domains: Pancreatic ribonuclease
Structure domains: Ribonuclease A-like domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 34.06Å b: 107.34Å c: 32.09Å
α: 90° β: 98.4° γ: 90°
R-values:
R R work R free
0.162 0.162 0.222

Quick links

Citations

3 review citations

Protein-water interactions in a dynamic world.
Mattos C. (2002)
2 more

6 mentions without citation

Hypervalent nonbonded interactions of a divalent sulfur atom. Implications in protein architecture and the functions.
Iwaoka et al. (2012)
5 more