X-ray diffraction
2Å resolution

Function and Biology Details

Reaction catalysed:
ATP + L-methionine + tRNA(Met) = AMP + diphosphate + L-methionyl-tRNA(Met)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Methionine--tRNA ligase Chains: A, B
Molecule details ›
Chains: A, B
Length: 711 amino acids
Theoretical weight: 77.44 KDa
Source organism: Xanthomonas citri pv. citri str. 306
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q8PMP0 (Residues: 1-694; Coverage: 100%)
Gene names: XAC1386, metG, metS
Sequence domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: LNLS BEAMLINE W01B-MX2
Spacegroup: P21
Unit cell:
a: 74.017Å b: 95.253Å c: 84.08Å
α: 90° β: 90.52° γ: 90°
R R work R free
0.187 0.185 0.23
Expression system: Escherichia coli BL21(DE3)