1	2UZ	(2r)-2-[(R)-amino(carboxy)methyl]-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	1.000
2	2V0	(2r)-2-[(R)-amino(carboxy)methyl]-5-methyl-3,6-dihydro-2h-1,3-thiazine-4-carboxylic acid	0.933
3	7T6	(2r)-2-[(1s)-1-methoxy-2-oxidanyl-2-oxidanylidene-ethyl]-5-methylidene-2h-1,3-thiazine-4-carboxylic acid	0.765
4	SSC	(2s,5s)-5-carboxymethylproline	0.733