1	CSB	Cys bound to lead ion	1.000
2	BB9	(2z)-2-amino-3-sulfanylprop-2-enoic acid	0.875
3	CYS	Cysteine	0.875
4	DCY	D-cysteine	0.875
5	03Y	2-methyl-L-cysteine	0.778
6	060	S-methyl-D-cysteine	0.778
7	BB6	(2z)-2-amino-3-sulfanylbut-2-enoic acid	0.778
8	CG6	Beta-methyl-cysteine	0.778
9	CSO	S-hydroxycysteine	0.778
10	CSS	S-mercaptocysteine	0.778
11	CSX	S-oxy cysteine	0.778
12	CSZ	S-selanyl cysteine	0.778
13	SMC	S-methylcysteine	0.778
14	ALA	Alanine	0.750
15	ALV	(2s)-2-aminopropane-1,1-diol	0.750
16	DAL	D-alanine	0.750
17	DHA	2-amino-acrylic acid	0.750
18	MPT	Beta-mercaptopropionic acid	0.750
19	NAK	Amino-acrylate	0.750
20	2CO	S-hydroperoxycysteine	0.700
21	CMH	S-(methylmercury)-L-cysteine	0.700
22	CSD	3-sulfinoalanine	0.700
23	CSK	S-(methylselanyl)-L-cysteine	0.700
24	CZZ	Thiarsahydroxy-cysteine	0.700
25	ECX	S-ethyl-L-cysteine	0.700
26	LE1	3-sulfanyl-L-valine	0.700
27	LEI	3-sulfanyl-D-valine	0.700
28	M0H	S-(hydroxymethyl)-L-cysteine	0.700
29	SCH	S-methyl-thio-cysteine	0.700
30	SNC	S-nitroso-cysteine	0.700
31	TSY	(2s)-2-amino-3-trisulfanylpropanoic acid	0.700
32	VI3	(2~{R})-2-azanyl-3-[bis(oxidanylidene)-$L^{5}-sulfanyl]propanoic acid	0.700
33	XCN	S-cyano-L-cysteine	0.700