The effect of two protein-modifying reagents and one specific inhibito
r on the deoxyribonucleases produced by Myxococcus coralloides D is de
scribed. The enzymes were completely inhibited by aurintricarboxylic a
cid, not affected by N-ethylmaleimide and they lost between 10 and 30%
of their activity in the presence of cyanamide.