› 2re1

X-ray diffraction
2.75Å resolution

Crystal structure of aspartokinase alpha and beta subunits

Released:
DOI: 10.2210/pdb2re1/pdb
PDB entry 2re1 coloured by chain, front view.
PDB entry 2re1 coloured by chain, side view.
PDB entry 2re1 coloured by chain, top view.
Source organism: Neisseria meningitidis MC58
Entry authors: Chang C, Li H, Gu M, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Reaction catalysed: 
ATP + L-aspartate = ADP + 4-phospho-L-aspartate
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-191696 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Aspartokinase Chains: A, B
Molecule details ›
Chains: A, B
Length: 167 amino acids
Theoretical weight: 18.25 KDa
Source organism: Neisseria meningitidis MC58
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9JYN6 (Residues: 242-405; Coverage: 41%)
Gene names: NMB1498, lysC
Sequence domains:
Structure domains: Alpha-Beta Plaits

Ligands and Environments

1 bound ligand:
Ligand CA 2 x CA
1 modified residue:
Ligand MSE 10 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P41212
Unit cell:
a: 61.806Å b: 61.806Å c: 191.901Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.236 0.234 0.276
Expression system: Escherichia coli BL21(DE3)

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