1 PRO Proline 1.000 2 2PC 3,4-dihydro-2h-pyrrolium-5-carboxylate 1.000 3 8LJ (2s)-2,3-dihydro-1h-pyrrole-2-carboxylic acid 1.000 4 DPR D-proline 1.000 5 PYC Pyrrole-2-carboxylate 1.000 6 3BY 1-methyl-L-proline 0.889 7 3WX 2-methyl-L-proline 0.889 8 4FB (4s)-4-fluoro-L-proline 0.889 9 DPL 4-oxoproline 0.889 10 FP9 (4r)-4-fluoro-L-proline 0.889 11 G8X (2~{S},3~{R})-3-oxidanylpyrrolidine-2-carboxylic acid 0.889 12 HY3 3-hydroxyproline 0.889 13 HYP 4-hydroxyproline 0.889 14 HZP (4s)-4-hydroxy-L-proline 0.889 15 JKH 4-amino-proline 0.889 16 MP8 (4r)-4-methyl-L-proline 0.889 17 PCA Pyroglutamic acid 0.889 18 PXU 2-hydroxy-L-proline 0.889 19 UY7 (4s)-4-hydroxy-D-proline 0.889 20 UYA (4r)-4-hydroxy-D-proline 0.889 21 8GZ D-prolinol 0.875 22 PRI Pyrrolidine-2-carbaldehyde 0.875 23 05N (3r,4r)-4-hydroxy-3-methyl-L-proline 0.800 24 6IW (2s,4s)-1-methyl-4-oxidanyl-pyrrolidine-2-carboxylic acid 0.800 25 87I (2r,4r)-1-methyl-4-hydroxyl-pyrrolidine-2-carboxylic acid 0.800 26 FPK 1-formyl-L-proline 0.800 27 H5M Trans-3-hydroxy-5-methylproline 0.800 28 N80 1-ethenyl-L-proline 0.800 29 PBE 1,1-dimethyl-prolinium 0.800 30 PDF 4,4-difluoro-L-proline 0.800 31 POM Cis-5-methyl-4-oxoproline 0.800 32 PYB 4-amino-(1-methylpyrrole)-2-carboxylic acid 0.800 33 V3C Trans-4-athyl-L-proline 0.800 34 C21 Thiophene-2-carboxylic acid 0.778 35 CGN 5-oxo-pyrrolidine-2-carbaldehyde 0.778 36 FOA 2-furoic acid 0.778 37 IQ0 Cyclopentanecarboxylic acid 0.778 38 LPD L-prolinamide 0.778 39 PR9 D-prolinamide 0.778 40 PRS Thioproline 0.778 41 T2C (2s)-1,3-thiazolidine-2-carboxylic acid 0.778 42 TFB Tetrahydrofuran-2-carboxylic acid 0.778 43 UJM (2s)-thiolane-2-carboxylic acid 0.778 44 UJP (2r)-thiolane-2-carboxylic acid 0.778 45 0XW (2s,4r)-4-hydroxy-1,1-dimethylpyrrolidinium-2-carboxylate 0.727 46 2TQ (2s,5s)-7-oxo-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 0.727 47 45W (4s)-4-(ethynyloxy)-D-proline 0.727 48 4OP (2s,4s)-2-carboxy-4-hydroxy-1,1-dimethylpyrrolidinium 0.727 49 4P5 4h-furo[3,2-B]pyrrole-5-carboxylic acid 0.727 50 4WL 4h-thieno[3,2-B]pyrole-5-carboxylic acid 0.727 51 4ZA 6h-thieno[2,3-B]pyrrole-5-carboxylic acid 0.727 52 BG5 5-hydroxyamino-3-methyl-pyrrolidine-2-carboxylic acid 0.727 53 N7P 1-acetyl-L-proline 0.727 54 N8P N-acetyl-D-proline 0.727 55 ZNY (4r)-4-ethoxy-L-proline 0.727 56 02J 5-methyl-1,2-oxazole-3-carboxylic acid 0.700 57 14J 5-bromofuran-2-carboxylic acid 0.700 58 1AB 1,4-dideoxy-1,4-imino-D-arabinitol 0.700 59 2K1 5-methylfuran-2-carboxylic acid 0.700 60 60P 3-methylthiophene-2-carboxylic acid 0.700 61 6PC Pyridine-2-carboxylic acid 0.700 62 7NW 2-methyl-1,3-thiazole-4-carboxylic acid 0.700 63 9E9 5-chloro thiophene-2-carboxylic acid 0.700 64 9FB (1~{S},2~{R})-2-azanylcyclopentane-1-carboxylic acid 0.700 65 9PR N-methyl-L-prolinamide 0.700 66 9TK 1-methylimidazole-2-carboxylic acid 0.700 67 AC5 1-aminocyclopentanecarboxylic acid 0.700 68 BEZ Benzoic acid 0.700 69 CPI 6-carboxypiperidine 0.700 70 EDG 1,4-dideoxy-1,4-imino-L-arabinitol 0.700 71 EX8 (2~{R},3~{R},4~{S})-3-fluoranyl-4-oxidanyl-pyrrolidine-2-carbaldehyde 0.700 72 ID7 (3r)-piperidine-3-carboxylic acid 0.700 73 IMR Iminoribitol 0.700 74 KLF (2~{S},4~{R})-4-oxidanylpyrrolidine-2-carboxamide 0.700 75 LDU Dideoxy-imino-lyxitol 0.700 76 NIO Nicotinic acid 0.700 77 PDW Methyl D-prolinate 0.700 78 PJ7 4-aminofuran-2-carboxylic acid 0.700 79 PLJ Methyl L-prolinate 0.700 80 RXK Cyclohexanecarboxylic acid 0.700 81 VGL Pyrazine-2-carboxylic acid 0.700 82 XCP (1s,2s)-2-aminocyclopentanecarboxylic acid 0.700 83 XZP (1r,2r)-2-aminocyclopentane-1-carboxylic acid 0.700 84 YCP (2s)-piperidine-2-carboxylic acid 0.700