X-ray diffraction
1.45Å resolution

Crystal structure of the E192N mutant of E. Coli N-acetylneuraminic acid lyase in complex with pyruvate at 1.45A resolution in space group P212121


Function and Biology Details

Reaction catalysed:
N-acetylneuraminate = N-acetyl-D-mannosamine + pyruvate
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
N-acetylneuraminate lyase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 303 amino acids
Theoretical weight: 33.58 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
  • Canonical: P0A6L4 (Residues: 2-296; Coverage: 99%)
Gene names: JW3194, b3225, nanA, npl
Sequence domains: Dihydrodipicolinate synthetase family
Structure domains: Aldolase class I

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I04
Spacegroup: P212121
Unit cell:
a: 78.329Å b: 108.049Å c: 148.309Å
α: 90° β: 90° γ: 90°
R R work R free
0.168 0.167 0.189
Expression system: Escherichia coli