4aid

X-ray diffraction
2.6Å resolution

Crystal structure of C. crescentus PNPase bound to RNase E recognition peptide

Released:

Function and Biology Details

Reactions catalysed:
RNA(n+1) + phosphate = RNA(n) + a nucleoside diphosphate
Endonucleolytic cleavage of single-stranded RNA in A- and U-rich regions
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-189494 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Polyribonucleotide nucleotidyltransferase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 726 amino acids
Theoretical weight: 78.16 KDa
Source organism: Caulobacter vibrioides CB15
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9AC32 (Residues: 1-712; Coverage: 100%)
Gene names: CC_0034, pnp
Sequence domains:
Structure domains:
Ribonuclease E Chains: F, G, H
Molecule details ›
Chains: F, G, H
Length: 14 amino acids
Theoretical weight: 1.8 KDa
Source organism: Caulobacter vibrioides CB15
Expression system: Not provided
UniProt:
  • Canonical: Q9A749 (Residues: 885-898; Coverage: 2%)
Gene names: CC_1877, rne

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: R3
Unit cell:
a: 157.439Å b: 157.439Å c: 302.379Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.21 0.209 0.254
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided