› 3k1s

X-ray diffraction
2.3Å resolution

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

Released:
DOI: 10.2210/pdb3k1s/pdb
PDB entry 3k1s coloured by chain, front view.
PDB entry 3k1s coloured by chain, side view.
PDB entry 3k1s coloured by chain, top view.
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

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assemblies composition:
homo trimer (preferred)
homo hexamer
Assembly name:
PDBe Complex ID:
PDB-CPX-105622 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
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
UniProt:
  • 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:
Ligand NA 14 x NA
Ligand MG 3 x MG
Ligand CL 3 x CL
1 modified residue:
Ligand MSE 54 x MSE

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-values:
R R work R free
0.187 0.185 0.226
Expression system: Escherichia coli

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