PDBe 1ct9

X-ray diffraction
2Å resolution

CRYSTAL STRUCTURE OF ASPARAGINE SYNTHETASE B FROM ESCHERICHIA COLI

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Asparagine synthetase B [glutamine-hydrolyzing] Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 553 amino acids
Theoretical weight: 62.58 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P22106 (Residues: 2-554; Coverage: 100%)
Gene names: JW0660, asnB, b0674
Sequence domains:
Structure domains:

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P212121
Unit cell:
a: 99.93Å b: 127.1Å c: 204.51Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.197 0.197 0.297
Expression system: Escherichia coli