X-ray diffraction
2.4Å resolution

Crystal structure of biosynthetic alaine racemase in D-cycloserine-bound form from Escherichia coli


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Alanine racemase, biosynthetic Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 379 amino acids
Theoretical weight: 41.42 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli BL21
  • Canonical: P0A6B4 (Residues: 1-359; Coverage: 100%)
Gene names: JW4013, alr, b4053
Sequence domains: Alanine racemase, C-terminal domain
Structure domains:

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU
Spacegroup: P6
Unit cell:
a: 147.713Å b: 147.713Å c: 163.724Å
α: 90° β: 90° γ: 120°
R R work R free
0.199 0.199 0.228
Expression system: Escherichia coli BL21