the enzyme activity was not stimulated by n6 ; o2'-dibutyryl cyclic amp ( 100 microm ) , n6 ; o2'-dibutyryl cyclic gmp ( 100 microm ) , ca2+ ( 200 microm ) , insulin ( 1 microgram/ml ) or homogeneous human t-cell growth factor ( 3 micrograms/ml ) under the conditions used .
C0086418
human
C0021756
t-cell growth factor