4.1.3.3	EDTA	about 120% activity at 5 mM	748534	
4.1.3.3	EDTA	about 120% activity at 5 mM and pH 7.5 for N-acetylneuraminate synthesis and about 150% activity at 5 mM and pH 8.5 for N-acetylneuraminate cleavage	749312	
4.1.3.3	Triton X-100	about 150% activity at 5 mM and pH 8.5 for N-acetylneuraminate synthesis and about 220% activity at 5 mM and pH 8.5 for N-acetylneuraminate cleavage	749312	
4.1.3.3	TritonX-100	about 120% activity at 5 mM	748534