this number was four with mg x atp or carbamoyl phosphate present and 4.7 for the enzyme in the presence of mg x ppi , values approaching or identical to the theoretical maximum , 4.7 , for a concerted transition with all of the active sites of the molecule changing from the t- to r-state upon the formation of a binary complex of hexameric enzyme with a single inhibitor .
C0014442
enzyme
C0026741
complex