2z70

X-ray diffraction
1.7Å resolution

E.coli RNase 1 in complex with d(CGCGATCGCG)

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-115963 (preferred)
Entry contents:
1 distinct polypeptide molecule
1 distinct DNA molecule
Macromolecules (2 distinct):
Ribonuclease I Chain: A
Molecule details ›
Chain: A
Length: 245 amino acids
Theoretical weight: 27.19 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P21338 (Residues: 24-268; Coverage: 100%)
Gene names: JW0603, b0611, rna, rnsA
Sequence domains: Ribonuclease T2 family
Structure domains: Ribonuclease T2-like
DNA (5'-D(*DCP*DGP*DCP*DGP*DAP*DTP*DCP*DGP*DCP*DG)-3') Chain: B
Molecule details ›
Chain: B
Length: 7 nucleotides
Theoretical weight: 2.12 KDa
Source organism: Escherichia coli
Expression system: Not provided

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: P212121
Unit cell:
a: 35.556Å b: 49.758Å c: 143.108Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.194 0.19 0.236
Expression systems:
  • Escherichia coli
  • Not provided