Table I.

Plate Layout and Substrates for the Broad-substrate Screen

Number	Substrate	Number	Substrate
1	Cadaverine	49	Kanamycin B
2	Putrescine	50	Antibiotic G418
3	Spermine	51	Streptomycin
4	N1-Acetylspermine	52	Tobramycin
5	Spermidine	53	Apramycin
6	Agmatine	54	Ampicillin
7	N8-Acetylspermidine	55	Sulfacetamide
8	Thialysine	56	Puromycin
9	N-α-Acetyl-l-lysine	57	Chloramphenicol
10	N-ε-Acetyl-l-lysine	58	Polymyxin B
11	l-Lysine	59	Bacitracin
12	Poly-l-Lysine	60	Colistin
13	l-Glutamine	61	Blasticidine S
14	N-α-Acetyl-l-glutamine	62	Cephalexin
15	l-Asparagine	63	7-Aminocephalosporanic acid
16	N-α-Acetyl-l-asparagine	64	Adenosine
17	l-Arginine	65	Guanosine
18	N-α-Acetyl-l-arginine	66	Cytidine
19	l-Aspartic acid	67	NAD
20	N-Acetyl-aspartic acid	68	NADP
21	l-Glutamic acid	69	Thiamine pyrophosphate
22	N-Acetyl-glutamic acid	70	Cyclic AMP
23	Glycine	71	Urea
24	N-Acetylglycine	72	Guanidine
25	l-Alanine	73	l-Ornithine
26	N-Acetyl-l-alanine	74	Allantoin
27	l-Serine	75	Pyridoxamine
28	N-Methyl-l-serine	76	Nicotinamide
29	O-Acetyl-l-serine	77	Thiamine
30	l-Threonine	78	Folic acid
31	N-Methyl-l-threonine	79	4-Aminobenzoic acid
32	l-Methionine	80	AICAR
33	N-Acetyl-l-methionine	81	Chitosan
34	l-Tryptophan	82	d-Glucosamine
35	N-Acetyl-l-tryptophan	83	Glucosamine 6-phosphate
36	l-Phenylalanine	84	Dopamine
37	N-Acetyl-l-phenylalanine	85	(−)-Epinephrine
38	l-Tyrosine	86	Tyramine
39	N-Acetyl-l-tyrosine ethyl ester	87	Serotonin
40	l-Valine	88	Creatine
41	l-Isoleucine	89	4-Aminobutyrate ethyl ester
42	N-Acetyl-isoleucine	90	5-Amino-4-imidazolecarboxamide
43	l-Leucine	91	Pterine
44	N-Acetyl-l-leucine	92	(−)-Glutathione (oxidized)
45	l-Homoserine	93	N-Phenylacetyl-Gly-Lys
46	l-Citrulline	94	Acetyl-Ser-Asp-Lys-Pro
47	Neomycin	95	Asp-Phe methyl ester (aspartame)
48	Gentamicin	96	Enzyme blank