X-ray diffraction
2.5Å resolution

tungstate derivative of Streptomyces antibioticus PNPase/GPSI enzyme


Function and Biology Details

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Polyribonucleotide nucleotidyltransferase Chain: A
Molecule details ›
Chain: A
Length: 757 amino acids
Theoretical weight: 81.23 KDa
Source organism: Streptomyces antibioticus
Expression system: Escherichia coli
  • Canonical: Q53597 (Residues: 1-740; Coverage: 100%)
Gene name: pnp
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MSC
Spacegroup: R32
Unit cell:
a: 130.83Å b: 130.83Å c: 328.732Å
α: 90° β: 90° γ: 120°
R R work R free
0.213 0.213 0.247
Expression system: Escherichia coli