Article 2 Binding Sites 2 Bins 2 Biochemistry 2 Circular dichroism spectroscopy 2 Conformational change 2 Conformational differences 2 Conformations 2 Dichroism 2 Glucose 2 Glucuronosyltransferase 2 Glycosyl transferase 2 Glycosyltransferase 2 GumK 2 Membrane monotopic protein 2 Molecular Docking Simulation 2 Molecular Dynamics Simulation 2 Molecular dynamics 2 Molecular dynamics simulations 2 Polysaccharides, Bacterial 2 Protein Aggregates 2 Protein Binding 2 Protein Conformation 2 Proteins 2 Substrate-binding sites 2 Uridine Diphosphate Glucuronic Acid 2 Xanthan 2 Xanthan gum 2 Xanthomonas campestris 2 amino acid substitution 2