4.1.3.27	in complex with allosteric inhibitor L-tryptophan	
4.1.3.27	in complex with chorismate, glutamine and glutamate and in complex with L-tryptophan	
4.1.3.27	in complex with its product 4-hydroxybenzoate	
4.1.3.27	in the absence of physiological ligands	
4.1.3.27	partial complex (TrpE)2(TrpG)2	
4.1.3.27	sitting drop vapor diffusion method, using 150 mM trisodium citrate pH 5.5, 0.75-1.5 M ammonium sulfate, 0.25-0.5 M lithium sulfate