2.7.1.41	ATP	inhibits forward reaction above 2 mM	
2.7.1.41	Cu2+	weak, 0.1 mM	
2.7.1.41	Mg2+	inhibits reverse reaction at 0.5 mM, forward reaction: activation	
2.7.1.41	Mn2+	inhibits forward reaction above 0.5 mM	
2.7.1.41	additional information	not inhibited by 8 mM fluoride, cysteine, histidine, adenylic acid or phosphate