4.1.3.27 chorismate + L-glutamine = anthranilate + pyruvate + L-glutamate mechanism 4.1.3.27 chorismate + L-glutamine = anthranilate + pyruvate + L-glutamate sequential mechanism 4.1.3.27 chorismate + L-glutamine = anthranilate + pyruvate + L-glutamate trans-6-amino-5-[(2-carboxyethenyl)-oxy]-1,3-cyclohexadiene-1-carboxylic acid is an enzyme-bound inhibitor 4.1.3.27 chorismate + L-glutamine = anthranilate + pyruvate + L-glutamate thermodynamics