the immobilized enzyme ( e ( i ) ) and the soluble enzyme ( e ( s ) ) exhibited michaelis-menton kinetics with 7-aminocephalosporanic acid ( 7-aca ) : k ( m ) = 2.8 x 10 ( -3 ) m and k ( m ) = 3.2 x 10 ( -3 ) m , respectively .
C0014444
immobilized enzyme
C0014442
enzyme