1.5.99.4	1,10-phenanthroline	47% inhibition at 2 mM	62	
1.5.99.4	2,2'-dipyridyl	27% inhibition at 2 mM	375	
1.5.99.4	2,2'-dipyridyl	76% inhibition at 5 mM	375	
1.5.99.4	8-hydroxyquinoline	77% inhibition at 5 mM	321	
1.5.99.4	Acriflavine	64% inhibition at 1 mM	6477	
1.5.99.4	brilliant cresyl blue	concentration over 0.2 mM	29823	
1.5.99.4	Cu2+	-	19	
1.5.99.4	Cu2+	88% inhibition at 0.1 mM	19	
1.5.99.4	cyanide	95% inhibition at 1 mM potassium cyanide	118	
1.5.99.4	Hg2+	96% inhibition at 0.1 mM	33	
1.5.99.4	hydroxylamine	22% inhibition at 5 mM	85	
1.5.99.4	iodoacetamide	23% inhibition at 10 mM	67	
1.5.99.4	additional information	not inhibited by any intermediates	2	
1.5.99.4	additional information	riboflavin 5'-phosphate protects enzyme against acriflavine inhibition, FMN protects enzyme against acriflavine inhibition, FAD only partially effective, glutathione protects against p-chloromercuriphenylsulfonic inhibition	2	
1.5.99.4	additional information	gene repressor HdnoR binds to the 6hdno gene operator, Kd is 21 nM, and represses enzyme expression, repressor in induced by 6-hydroxy-D-nicotine and 6-hydroxy-L-nicotine in vitro and in vivo	2	
1.5.99.4	p-chloromercuriphenylsulfonic acid	62% inhibition at 1 mM	1416	
1.5.99.4	p-hydroxymercuribenzoate	92% inhibition at 1 mM	98	
1.5.99.4	Quinacrine	49% inhibition at 0.1 mM	1593	
1.5.99.4	Tungsten	inhibitory to enzyme activity, does not inhibit enzyme synthesis	794