1	ECX	S-ethyl-L-cysteine	1.000
2	I3L	Allyl-cysteine	0.900
3	OCY	Hydroxyethylcysteine	0.900
4	SCY	S-acetyl-cysteine	0.900
5	SLZ	L-thialysine	0.900
6	SWW	(2~{S})-2-azanyl-3-(2-hydroxyethylsulfanyl)propanoic acid	0.900
7	060	S-methyl-D-cysteine	0.889
8	SMC	S-methylcysteine	0.889
9	6KM	S-propanoyl-L-cysteine	0.818
10	CCJ	Carboxymthylated D- cysteine	0.818
11	CCS	Carboxymethylated cysteine	0.818
12	CSA	S-acetonylcysteine	0.818
13	OO0	Alliin	0.818
14	YCM	S-(2-amino-2-oxoethyl)-L-cysteine	0.818
15	M0H	S-(hydroxymethyl)-L-cysteine	0.800
16	XCN	S-cyano-L-cysteine	0.800
17	A8C	3-(methylsulfanyl)propanoic acid	0.778
18	BB9	(2z)-2-amino-3-sulfanylprop-2-enoic acid	0.778
19	CYS	Cysteine	0.778
20	DCY	D-cysteine	0.778
21	A1A7V	S-lactoyl-L-cysteine	0.750
22	C3Y	S-[(1s)-1-hydroxy-1-(hydroxyamino)ethyl]-L-cysteine	0.750
23	CGV	S-[(R)-carboxy(hydroxy)methyl]-L-cysteine	0.750
24	CY4	S-butyryl-cystein	0.750
25	CYW	S-[(2r)-2-hydroxypropanoyl]-L-cysteine	0.750
26	M2L	(2r)-2-amino-3-(2-dimethylaminoethylsulfanyl)propanoic acid	0.750
27	P9S	Dihydroxypropylcysteine	0.750
28	BPE	(2s)-2-amino-3-[(3-aminopropyl)sulfanyl]propan-1-ol	0.727
29	QCS	S-carbamoyl-L-cysteine	0.727
30	03Y	2-methyl-L-cysteine	0.700
31	BB6	(2z)-2-amino-3-sulfanylbut-2-enoic acid	0.700
32	CG6	Beta-methyl-cysteine	0.700
33	CSB	Cys bound to lead ion	0.700
34	CSO	S-hydroxycysteine	0.700
35	CSS	S-mercaptocysteine	0.700
36	CSX	S-oxy cysteine	0.700
37	CSZ	S-selanyl cysteine	0.700
38	DEI	(2z)-2-hydroxy-3-(methylsulfanyl)prop-2-enoic acid	0.700
39	DQY	3-(dimethyl-lambda~4~-sulfanyl)propanoic acid	0.700