1	GPA	2-amino-3-guanidino-propionic acid	1.000
2	A1D9S	3-carbamimidamidopropanoic acid	0.900
3	UAL	(2z)-2-amino-3-(carbamoylamino)prop-2-enoic acid	0.818
4	PG3	Guanidine-3-propanol	0.800
5	YFQ	Beta-N-methylamino-L-alanine	0.800
6	DIR	3-{[(E)-amino(hydroxyimino)methyl]amino}alanine	0.750
7	0RJ	3-(formylamino)-L-alanine	0.727
8	URP	N-(aminocarbonyl)-beta-alanine	0.727