1	SE7	2-amino-3-selenino-propionic acid	1.000
2	UOX	3-(oxido-lambda~4~-selanyl)-L-alanine	0.889
3	30F	(2z)-2-amino-3-selanylprop-2-enoic acid	0.778
4	SEC	Selenocysteine	0.778
5	PSW	3-(sulfanylselanyl)-L-alanine	0.700
6	T9E	Selenothreonine	0.700