1 XZP (1r,2r)-2-aminocyclopentane-1-carboxylic acid 1.000 2 9FB (1~{S},2~{R})-2-azanylcyclopentane-1-carboxylic acid 1.000 3 XCP (1s,2s)-2-aminocyclopentanecarboxylic acid 1.000 4 IQ0 Cyclopentanecarboxylic acid 0.889 5 AC5 1-aminocyclopentanecarboxylic acid 0.800 6 XPC (3s,4r)-4-aminopyrrolidine-3-carboxylic acid 0.800 7 4SV 3-aminopyridine-4-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 LXE [(1~{S},2~{S},3~{S},4~{S})-2-(hydroxymethyl)-3,4-bis(oxidanyl)cyclopentyl]azanium 0.727 11 UI5 (1~{S},2~{S},3~{S},4~{R})-4-azanyl-3-(hydroxymethyl)cyclopentane-1,2-diol 0.727 12 2PC 3,4-dihydro-2h-pyrrolium-5-carboxylate 0.700 13 3RN 2-(hydroxymethyl)cyclopent-2-en-1-one 0.700 14 8LJ (2s)-2,3-dihydro-1h-pyrrole-2-carboxylic acid 0.700 15 C21 Thiophene-2-carboxylic acid 0.700 16 DPR D-proline 0.700 17 FOA 2-furoic acid 0.700 18 PKN 1h-pyrrole-3-carboxylic acid 0.700 19 PRO Proline 0.700 20 PYC Pyrrole-2-carboxylate 0.700 21 TFB Tetrahydrofuran-2-carboxylic acid 0.700 22 TX0 Thiophene-3-carboxylic acid 0.700 23 UJM (2s)-thiolane-2-carboxylic acid 0.700 24 UJP (2r)-thiolane-2-carboxylic acid 0.700 25 XH7 (3r)-thiolane-3-carboxylic acid 0.700