3qnq

X-ray diffraction
3.3Å resolution

Crystal structure of the transporter ChbC, the IIC component from the N,N'-diacetylchitobiose-specific phosphotransferase system

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Permease IIC component Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 442 amino acids
Theoretical weight: 48.11 KDa
Source organism: Bacillus cereus ATCC 10987
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q72XQ0 (Residues: 1-433; Coverage: 100%)
Gene names: BCE_5325, celB
Sequence domains: Phosphotransferase system, EIIC

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer : NEW Components: GLC
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P43212
Unit cell:
a: 132.812Å b: 132.812Å c: 452.954Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.229 0.228 0.264
Expression system: Escherichia coli BL21(DE3)