1	DY8	Morpholinohistidine	1.000
2	8YI	(2s)-3-(1h-imidazol-5-yl)-2-(1h-pyrrol-1-yl)propanoic acid	0.824
3	AVO	Pyrrolidinohistidine	0.824
4	HD0	(2s)-2-[(3s)-3-amino-2,5-dioxopyrrolidin-1-yl]-3-(1h-imidazol-5-yl)propanoic acid	0.700