1r89

X-ray diffraction
1.8Å resolution

Crystal Structures of an Archaeal Class I CCA-Adding Enzyme and Its Nucleotide Complexes

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-127974 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
CCA-adding enzyme Chain: A
Molecule details ›
Chain: A
Length: 437 amino acids
Theoretical weight: 51.47 KDa
Source organism: Archaeoglobus fulgidus
Expression system: Escherichia coli
UniProt:
  • Canonical: O28126 (Residues: 1-437; Coverage: 100%)
Gene names: AF_2156, cca
Sequence domains:
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X26C
Spacegroup: C2
Unit cell:
a: 86.151Å b: 79.954Å c: 78.145Å
α: 90° β: 97.53° γ: 90°
R-values:
R R work R free
0.187 0.185 0.226
Expression system: Escherichia coli