X-ray diffraction
1.88Å resolution

Structure of Archaeal Trans-Editing Protein AlaX in complex with zinc

Source organism: Pyrococcus horikoshii OT3
Primary publication:
Molecular basis of alanine discrimination in editing site.
Proc. Natl. Acad. Sci. U.S.A. 102 11669-74 (2005)
PMID: 16087889

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Alanyl-tRNA editing protein AlaX-S Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 157 amino acids
Theoretical weight: 18.18 KDa
Source organism: Pyrococcus horikoshii OT3
Expression system: Escherichia coli
  • Canonical: O58307 (Residues: 1-157; Coverage: 100%)
Gene names: PH0574, alaXS
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL41XU
Spacegroup: P21
Unit cell:
a: 42.472Å b: 97.971Å c: 60.584Å
α: 90° β: 95.81° γ: 90°
R R work R free
0.193 0.193 0.232
Expression system: Escherichia coli