1kmn

X-ray diffraction
2.8Å resolution

HISTIDYL-TRNA SYNTHETASE COMPLEXED WITH HISTIDINOL AND ATP

Released:
Source organism: Escherichia coli
Primary publication:
The first step of aminoacylation at the atomic level in histidyl-tRNA synthetase.
Proc Natl Acad Sci U S A 94 7144-9 (1997)
PMID: 9207058

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-158128 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Histidine--tRNA ligase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 424 amino acids
Theoretical weight: 47.09 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P60906 (Residues: 1-424; Coverage: 100%)
Gene names: JW2498, b2514, hisS
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: LURE BEAMLINE DW32
Spacegroup: P1
Unit cell:
a: 60.9Å b: 107.3Å c: 107.2Å
α: 114.1° β: 97.4° γ: 90°
R-values:
R R work R free
0.249 0.249 0.348
Expression system: Escherichia coli