1 3BY 1-methyl-L-proline 1.000 2 6IW (2s,4s)-1-methyl-4-oxidanyl-pyrrolidine-2-carboxylic acid 0.900 3 87I (2r,4r)-1-methyl-4-hydroxyl-pyrrolidine-2-carboxylic acid 0.900 4 FPK 1-formyl-L-proline 0.900 5 N80 1-ethenyl-L-proline 0.900 6 PBE 1,1-dimethyl-prolinium 0.900 7 PYB 4-amino-(1-methylpyrrole)-2-carboxylic acid 0.900 8 2PC 3,4-dihydro-2h-pyrrolium-5-carboxylate 0.889 9 8LJ (2s)-2,3-dihydro-1h-pyrrole-2-carboxylic acid 0.889 10 A1CAB (2s)-3,4-dihydro-2h-pyrrole-2-carboxylic acid 0.889 11 DPR D-proline 0.889 12 PRO Proline 0.889 13 PYC Pyrrole-2-carboxylate 0.889 14 0XW (2s,4r)-4-hydroxy-1,1-dimethylpyrrolidinium-2-carboxylate 0.818 15 4OP (2s,4s)-2-carboxy-4-hydroxy-1,1-dimethylpyrrolidinium 0.818 16 N7P 1-acetyl-L-proline 0.818 17 N8P N-acetyl-D-proline 0.818 18 3WX 2-methyl-L-proline 0.800 19 4FB (4s)-4-fluoro-L-proline 0.800 20 7YO (2r)-5-oxidanylidenepyrrolidine-2-carboxylic acid 0.800 21 9TK 1-methylimidazole-2-carboxylic acid 0.800 22 A1IGM 1-methylpyrrole-2-carboxamide 0.800 23 DPL 4-oxoproline 0.800 24 FP9 (4r)-4-fluoro-L-proline 0.800 25 G8X (2~{S},3~{R})-3-oxidanylpyrrolidine-2-carboxylic acid 0.800 26 HY3 3-hydroxyproline 0.800 27 HYP 4-hydroxyproline 0.800 28 HZP (4s)-4-hydroxy-L-proline 0.800 29 JKH 4-amino-proline 0.800 30 MP8 (4r)-4-methyl-L-proline 0.800 31 PCA Pyroglutamic acid 0.800 32 PXU 2-hydroxy-L-proline 0.800 33 UY7 (4s)-4-hydroxy-D-proline 0.800 34 UYA (4r)-4-hydroxy-D-proline 0.800 35 XRE 5-hydroxyproline 0.800 36 8GZ D-prolinol 0.778 37 PRI Pyrrolidine-2-carbaldehyde 0.778 38 05N (3r,4r)-4-hydroxy-3-methyl-L-proline 0.727 39 A1D9O (2~{S},3~{S},4~{S})-3,4-bis(oxidanyl)pyrrolidine-2-carboxylic acid 0.727 40 A1H05 (2s,3r,4s)-2-[bis(oxidanyl)methyl]pyrrolidine-3,4-diol 0.727 41 EX8 (2~{R},3~{R},4~{S})-3-fluoranyl-4-oxidanyl-pyrrolidine-2-carbaldehyde 0.727 42 H5M Trans-3-hydroxy-5-methylproline 0.727 43 IMT 4-amino-(1-methylimidazole)-2-carboxylic acid 0.727 44 O9B (2~{R})-1-methylpiperidine-2-carboxylic acid 0.727 45 PDF 4,4-difluoro-L-proline 0.727 46 POM Cis-5-methyl-4-oxoproline 0.727 47 V3C Trans-4-athyl-L-proline 0.727 48 VMO (2~{R},3~{S},4~{R})-2-(hydroxymethyl)-1-methyl-pyrrolidine-3,4-diol 0.727 49 278 1-(1-methyl-1h-pyrrol-2-yl)methanamine 0.700 50 280 1-methyl-1h-imidazole-5-carbaldehyde 0.700 51 A1A3M (5s)-4,5-dihydro-1h-pyrazole-5-carboxylic acid 0.700 52 C21 Thiophene-2-carboxylic acid 0.700 53 CGN 5-oxo-pyrrolidine-2-carbaldehyde 0.700 54 FOA 2-furoic acid 0.700 55 IQ0 Cyclopentanecarboxylic acid 0.700 56 LPD L-prolinamide 0.700 57 PR9 D-prolinamide 0.700 58 PRS Thioproline 0.700 59 T2C (2s)-1,3-thiazolidine-2-carboxylic acid 0.700 60 TFB Tetrahydrofuran-2-carboxylic acid 0.700 61 UJM (2s)-thiolane-2-carboxylic acid 0.700 62 UJP (2r)-thiolane-2-carboxylic acid 0.700