› 4ib9

X-ray diffraction
2.2Å resolution

Bovine beta-lactoglobulin (isoform B) in complex with dodecyltrimethylammonium (DTAC)

Released:
DOI: 10.2210/pdb4ib9/pdb
PDB 4ib9 coloured by chain and viewed from the front.
PDB 4ib9 coloured by chain and viewed from the side.
PDB 4ib9 coloured by chain and viewed from the top.
Source organism: Bos taurus
Primary publication:
The differences in binding 12-carbon aliphatic ligands by bovine β-lactoglobulin isoform A and B studied by isothermal titration calorimetry and X-ray crystallography.
Loch JI, Bonarek P, Polit A, Swiątek S, Dziedzicka-Wasylewska M, Lewiński K
J. Mol. Recognit. 26 357-67 (2013)
PMID: 23784992

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-lactoglobulin Chain: A
Molecule details ›
Chain: A
Length: 162 amino acids
Theoretical weight: 18.3 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P02754 (Residues: 17-178; Coverage: 100%)
Gene name: LGB
Sequence domains: Lipocalin / cytosolic fatty-acid binding protein family
Structure domains: Lipocalin

Ligands and Environments

2 bound ligands:
Ligand CAT 1 x CAT
Ligand GOL 1 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: OTHER
Spacegroup: P3221
Unit cell:
a: 53.03Å b: 53.03Å c: 109.32Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.251 0.245 0.306

Quick links

Citations

1 review citation

Bovine β-lactoglobulin/fatty acid complexes: binding, structural, and biological properties.
Le Maux et al. (2014)
6 other articles