3.4.23.B9	(NH4)2SO4	with YDPPAILPII as substrate, most active at 1-2 M NaCl or (NH4)2SO4	
3.4.23.B9	ammonium sulfate	activates	
3.4.23.B9	NaCl	with YDPPAILPII as substrate, most active at 1-2 M NaCl or (NH4)2SO4. With human T-cell leukemia virus recombinant gag precursor activity is higher at 0.5 M NaCl	
3.4.23.B9	NaCl	activates at 1-2 M	
3.4.23.B9	NaCl	activates at 2 M