5a34

X-ray diffraction
2.6Å resolution

The crystal structure of the GST-like domains complex of EPRS-AIMP2

Released:

Function and Biology Details

Reactions catalysed:
ATP + L-proline + tRNA(Pro) = AMP + diphosphate + L-prolyl-tRNA(Pro)
ATP + L-glutamate + tRNA(Glu) = AMP + diphosphate + L-glutamyl-tRNA(Glu)

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-139772 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Bifunctional glutamate/proline--tRNA ligase Chains: A, C, E, G
Molecule details ›
Chains: A, C, E, G
Length: 175 amino acids
Theoretical weight: 19.36 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P07814 (Residues: 1-175; Coverage: 12%)
Gene names: EPRS, EPRS1, GLNS, PARS, PIG32, QARS, QPRS
Structure domains: Glutathione S-transferase Yfyf (Class Pi); Chain A, domain 2
Aminoacyl tRNA synthase complex-interacting multifunctional protein 2 Chains: B, D, F, H
Molecule details ›
Chains: B, D, F, H
Length: 240 amino acids
Theoretical weight: 26.79 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q13155 (Residues: 90-320; Coverage: 72%)
Gene names: AIMP2, JTV1, PRO0992
Sequence domains:
Structure domains: Glutathione S-transferase Yfyf (Class Pi); Chain A, domain 2

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PAL/PLS BEAMLINE 5C (4A)
Spacegroup: P212121
Unit cell:
a: 94.669Å b: 111.767Å c: 181.253Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.19 0.189 0.247
Expression system: Escherichia coli BL21(DE3)