the enzyme catalyzed the hydrolysis of amino acid beta-naphthylamides , phe greater than leu greater than met greater than tyr greater than ala greater than glu , and the differences of the measured kcat 's ranged over 2-3 orders of magnitude while many of the amino acid beta-naphthylamides were not hydrolyzed at all .
C0061472
glu
C0002520
amino