4xem

X-ray diffraction
1.28Å resolution

Crystal Structure of wild type human AlaRS catalytic domain

Released:
Source organism: Homo sapiens
Entry authors: Zhou H, He W, Yang XL

Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-155959 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Alanine--tRNA ligase, cytoplasmic Chain: A
Molecule details ›
Chain: A
Length: 475 amino acids
Theoretical weight: 53.31 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P49588 (Residues: 1-455; Coverage: 47%)
Gene names: AARS, AARS1
Sequence domains: tRNA synthetases class II (A)
Structure domains: Bira Bifunctional Protein; Domain 2

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: C2
Unit cell:
a: 108.121Å b: 67.131Å c: 75.107Å
α: 90° β: 127.42° γ: 90°
R-values:
R R work R free
0.162 0.161 0.179
Expression system: Escherichia coli BL21(DE3)