1 XPC (3s,4r)-4-aminopyrrolidine-3-carboxylic acid 1.000 2 PKN 1h-pyrrole-3-carboxylic acid 0.889 3 9FB (1~{S},2~{R})-2-azanylcyclopentane-1-carboxylic acid 0.800 4 XCP (1s,2s)-2-aminocyclopentanecarboxylic acid 0.800 5 XZP (1r,2r)-2-aminocyclopentane-1-carboxylic acid 0.800 6 4SV 3-aminopyridine-4-carboxylic acid 0.727 7 A1A0X 4-amino-5-methylthiophene-3-carboxylic acid 0.727 8 BE2 2-aminobenzoic acid 0.727 9 E6F (1~{S},2~{S})-2-azanylcyclohexane-1-carboxylic acid 0.727 10 A1A3M (5s)-4,5-dihydro-1h-pyrazole-5-carboxylic acid 0.700 11 A1ED9 1-(1h-pyrrol-3-yl)ethanone 0.700 12 IQ0 Cyclopentanecarboxylic acid 0.700 13 TX0 Thiophene-3-carboxylic acid 0.700 14 XH7 (3r)-thiolane-3-carboxylic acid 0.700