1	060	S-methyl-D-cysteine	1.000
2	SMC	S-methylcysteine	1.000
3	ECX	S-ethyl-L-cysteine	0.889
4	M0H	S-(hydroxymethyl)-L-cysteine	0.889
5	XCN	S-cyano-L-cysteine	0.889
6	A8C	3-(methylsulfanyl)propanoic acid	0.875
7	BB9	(2z)-2-amino-3-sulfanylprop-2-enoic acid	0.875
8	CYS	Cysteine	0.875
9	DCY	D-cysteine	0.875
10	I3L	Allyl-cysteine	0.800
11	OCY	Hydroxyethylcysteine	0.800
12	QCS	S-carbamoyl-L-cysteine	0.800
13	SCY	S-acetyl-cysteine	0.800
14	SLZ	L-thialysine	0.800
15	SWW	(2~{S})-2-azanyl-3-(2-hydroxyethylsulfanyl)propanoic acid	0.800
16	03Y	2-methyl-L-cysteine	0.778
17	BB6	(2z)-2-amino-3-sulfanylbut-2-enoic acid	0.778
18	CG6	Beta-methyl-cysteine	0.778
19	CSB	Cys bound to lead ion	0.778
20	CSO	S-hydroxycysteine	0.778
21	CSS	S-mercaptocysteine	0.778
22	CSX	S-oxy cysteine	0.778
23	CSZ	S-selanyl cysteine	0.778
24	DEI	(2z)-2-hydroxy-3-(methylsulfanyl)prop-2-enoic acid	0.778
25	DQY	3-(dimethyl-lambda~4~-sulfanyl)propanoic acid	0.778
26	ALA	Alanine	0.750
27	ALV	(2s)-2-aminopropane-1,1-diol	0.750
28	DAL	D-alanine	0.750
29	DHA	2-amino-acrylic acid	0.750
30	MPT	Beta-mercaptopropionic acid	0.750
31	NAK	Amino-acrylate	0.750
32	0TD	(3s)-3-(methylsulfanyl)-L-aspartic acid	0.727
33	6KM	S-propanoyl-L-cysteine	0.727
34	CCS	Carboxymethylated cysteine	0.727
35	CSA	S-acetonylcysteine	0.727
36	D2T	(3r)-3-(methylsulfanyl)-L-aspartic acid	0.727
37	YCM	S-(2-amino-2-oxoethyl)-L-cysteine	0.727
38	2CO	S-hydroperoxycysteine	0.700
39	CMH	S-(methylmercury)-L-cysteine	0.700
40	CSD	3-sulfinoalanine	0.700
41	CSK	S-(methylselanyl)-L-cysteine	0.700
42	CZZ	Thiarsahydroxy-cysteine	0.700
43	LE1	3-sulfanyl-L-valine	0.700
44	LEI	3-sulfanyl-D-valine	0.700
45	LNI	3-[dimethyl(oxidanyl)-$L^{4}-sulfanyl]propanoic acid	0.700
46	N2C	N,S-dimethylcysteine	0.700
47	SCH	S-methyl-thio-cysteine	0.700
48	SNC	S-nitroso-cysteine	0.700
49	TSY	(2s)-2-amino-3-trisulfanylpropanoic acid	0.700
50	VI3	(2~{R})-2-azanyl-3-[bis(oxidanylidene)-$L^{5}-sulfanyl]propanoic acid	0.700