› 1a5p

X-ray diffraction
1.6Å resolution

C[40,95]A VARIANT OF BOVINE PANCREATIC RIBONUCLEASE A

Released:
DOI: 10.2210/pdb1a5p/pdb
PDB entry 1a5p coloured by chain, front view.
PDB entry 1a5p coloured by chain, side view.
PDB entry 1a5p coloured by chain, top view.
Source organism: Bos taurus
Primary publication:
Crystal structures of two mutants that have implications for the folding of bovine pancreatic ribonuclease A.
Pearson MA, Karplus PA, Dodge RW, Laity JH, Scheraga HA
Protein Sci 7 1255-8 (1998)
PMID: 9605332

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 Chain: A
Molecule details ›
Chain: A
Length: 124 amino acids
Theoretical weight: 13.64 KDa
Source organism: Bos taurus
Expression system: Escherichia coli
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

1 bound ligand:
Ligand SO4 1 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P3221
Unit cell:
a: 64.6Å b: 64.6Å c: 65.2Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.223 0.223 0.272
Expression system: Escherichia coli

Quick links

Citations

1 review citation

Disulfide-linked protein folding pathways.
Mamathambika et al. (2008)
15 other articles

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