X-ray diffraction
2.3Å resolution

Crystal Structure of the PTS Cellobiose Specific Enzyme IIA from Bacillus anthracis

Source organism: Bacillus anthracis
Entry authors: Anderson SM, Wawrzak Z, Onopriyenko O, Kwon K, Anderson WF, Savchenko A, Center for Structural Genomics of Infectious Diseases (CSGID)

Function and Biology Details

Structure analysis Details

Assemblies composition:
homo trimer (preferred)
homo hexamer
Entry contents:
1 distinct polypeptide molecule
PTS system, cellobiose-specific IIA component Chains: A, B, C, D, E, F, G, H, I
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I
Length: 109 amino acids
Theoretical weight: 12.39 KDa
Source organism: Bacillus anthracis
Expression system: Escherichia coli
  • Canonical: A0A6H3A5D1 (Residues: 1-106; Coverage: 99%)
Gene names: GBAA_5442, celC2
Sequence domains: PTS system, Lactose/Cellobiose specific IIA subunit
Structure domains: Phosphotransferase system, lactose/cellobiose-type IIA subunit

Ligands and Environments

3 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-D
Spacegroup: P43212
Unit cell:
a: 92.887Å b: 92.887Å c: 260.639Å
α: 90° β: 90° γ: 90°
R R work R free
0.187 0.185 0.226
Expression system: Escherichia coli