Kinetic constants for chymotrypsin cleavage of N-acetyl-L-Trp Derivatives - N-acetyl-L-Trp-X

kcat (s-1) Km x 103 (M)
-OCH2CH3 27 0.097
-OCH3 28 0.095
-p-nitrophenol 31 0.002
-NH2 0.026 7.3