When the ceils were immobilized,the Michaelis constant and the inhibition constant for PAA were increased,but the inhibition constants for substrate and 6-APA had no changes.

• 该菌体酶活高,米氏常数小,固定化后米氏常数和苯乙酸抑制常数增大,底物抑制常数和6-APA 抑制常数没有变化。