two hours after rats ( 200 g ) were given a single i.p . injection of 300 micrograms afb1 containing 50 microci [ 3h ] afb1/100 g body wt , afb1 was found bound to the free nuclear proteins ( 29.7 pmol/mg protein ) , histones ( 20.3 pmol/mg protein ) and chromatin-bound non-histone proteins ( 13.8 pmol/mg protein ) .
C0028589
nuclear proteins
C0033684
protein