1rcn

X-ray diffraction
2.32Å resolution

CRYSTAL STRUCTURE OF THE RIBONUCLEASE A D(APTPAPAPG) COMPLEX : DIRECT EVIDENCE FOR EXTENDED SUBSTRATE RECOGNITION

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:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
Ribonuclease pancreatic Chain: E
Molecule details ›
Chain: E
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
DNA (5'-D(*AP*TP*AP*A)-3') Chain: D
Molecule details ›
Chain: D
Length: 4 nucleotides
Theoretical weight: 1.2 KDa
Source organism: Bos taurus
Expression system: Not provided

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P212121
Unit cell:
a: 71.86Å b: 43.2Å c: 43.83Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.172 0.172 not available
Expression system: Not provided