1iib

X-ray diffraction
1.8Å resolution

Function and Biology Details

Reaction catalysed:
[Protein]-N(pi)-phospho-L-histidine + N,N'-diacetylchitobiose(Side 1) = [protein]-L-histidine + N,N'-diacetylchitobiose 6'-phosphate(Side 2)

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-159664 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
PTS system N,N'-diacetylchitobiose-specific EIIB component Chains: A, B
Molecule details ›
Chains: A, B
Length: 106 amino acids
Theoretical weight: 11.42 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli str. K-12 substr. W3110
UniProt:
  • Canonical: P69795 (Residues: 1-106; Coverage: 100%)
Gene names: JW1727, b1738, celA, chbB
Sequence domains: PTS system, Lactose/Cellobiose specific IIB subunit
Structure domains: Rossmann fold

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X31
Spacegroup: P21
Unit cell:
a: 53.791Å b: 31.782Å c: 60.253Å
α: 90° β: 101.7° γ: 90°
R-values:
R R work R free
0.187 0.187 0.241
Expression system: Escherichia coli str. K-12 substr. W3110