› 3lci

X-ray diffraction
2.12Å resolution

The D-sialic acid aldolase mutant V251W

Released:
DOI: 10.2210/pdb3lci/pdb
PDB entry 3lci coloured by chain, front view.
PDB entry 3lci coloured by chain, side view.
PDB entry 3lci coloured by chain, top view.
Source organism: Escherichia coli K-12
Entry authors: Chou C-Y, Wang AH-J, Ko T-P

Function and Biology Details

Reaction catalysed: 
Aceneneuramate = N-acetyl-D-mannosamine + pyruvate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-141379 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
N-acetylneuraminate lyase Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 319 amino acids
Theoretical weight: 35.38 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A6L4 (Residues: 1-297; Coverage: 100%)
Gene names: JW3194, b3225, nanA, npl
Sequence domains: Dihydrodipicolinate synthetase family
Structure domains: Aldolase class I

Ligands and Environments

1 bound ligand:
Ligand SO4 4 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSRRC BEAMLINE BL13C1
Spacegroup: P3221
Unit cell:
a: 121.074Å b: 121.074Å c: 195.945Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.209 0.208 0.239
Expression system: Escherichia coli

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