X-ray diffraction
2.55Å resolution

The crystal structure of glycyl-tRNA synthetase subunit alpha from Campylobacter jejuni subsp. jejuni NCTC in complex with ATP

Source organism: Campylobacter jejuni
Entry authors: Tan K, Zhou M, Peterson S, Anderson WF, Joachimiak A, Center for Structural Genomics of Infectious Diseases (CSGID)

Function and Biology Details

Reaction catalysed:
ATP + glycine + tRNA(Gly) = AMP + diphosphate + glycyl-tRNA(Gly)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Glycine--tRNA ligase alpha subunit Chains: A, B
Molecule details ›
Chains: A, B
Length: 311 amino acids
Theoretical weight: 36.25 KDa
Source organism: Campylobacter jejuni
Expression system: Escherichia coli
  • Canonical: Q9PPK3 (Residues: 1-287; Coverage: 100%)
Gene names: Cj0704, glyQ
Sequence domains: Glycyl-tRNA synthetase alpha subunit
Structure domains:

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: R3
Unit cell:
a: 114.58Å b: 114.58Å c: 157.707Å
α: 90° β: 90° γ: 120°
R R work R free
0.178 0.174 0.255
Expression system: Escherichia coli