X-ray diffraction
2.4Å resolution

Crystal Structure of TtNRS

Source organism: Thermus thermophilus
Entry authors: Mutharasappan N, Jain V, Sharma A, Manickam Y, Jeyaraman J

Function and Biology Details

Reaction catalysed:
ATP + L-asparagine + tRNA(Asn) = AMP + diphosphate + L-asparaginyl-tRNA(Asn)
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Asparagine--tRNA ligase Chain: A
Molecule details ›
Chain: A
Length: 438 amino acids
Theoretical weight: 50.86 KDa
Source organism: Thermus thermophilus
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P54263 (Residues: 1-438; Coverage: 100%)
Gene names: TTHA0708, asnS
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM16
Spacegroup: P3121
Unit cell:
a: 67.294Å b: 67.294Å c: 189.117Å
α: 90° β: 90° γ: 120°
R R work R free
0.158 0.155 0.209
Expression system: Escherichia coli BL21(DE3)