1 MMO N~2~-methyl-L-arginine 1.000 2 73N (2~{S})-5-carbamimidamido-2-(carboxyamino)pentanoic acid 0.867 3 AAG N-alpha-L-acetyl-arginine 0.867 4 A1CCS (2s)-5-carbamimidamido-2-hydrazinylpentanoic acid 0.857 5 GVA 5-{[amino(imino)methyl]amino}pentanoic acid 0.846 6 4VI (2z,4e)-5-carbamimidamido-2-iminopent-4-enoic acid 0.786 7 AR7 Amino{[(4s)-4-amino-5,5-dihydroxypentyl]amino}methaniminium 0.786 8 ARG Arginine 0.786 9 DAR D-arginine 0.786 10 GND 2-amino-5-guanidino-pentanoic acid 0.786 11 IAR (2e)-5-[(diaminomethylidene)amino]-2-iminopentanoic acid 0.786 12 JX7 5-carbamimidamido-2-oxopentanoic acid 0.786 13 NWG 5-[(diaminomethylidene)amino]-2-oxopentanoic acid 0.786 14 6DB Octopine 0.765 15 CMA N2-(carboxyethyl)-L-arginine 0.765 16 OLN (S)-2-acetamido-5-ureidopentanoic acid 0.750 17 SJ2 ~{N}-[(2~{S})-5-carbamimidamido-1-oxidanyl-pentan-2-yl]-~{N}-methyl-ethanamide 0.750 18 4D4 (2s,3r)-2-azanyl-5-carbamimidamido-3-oxidanyl-pentanoic acid 0.733 19 AGM 5-methyl-arginine 0.733 20 ARO C-gamma-hydroxy arginine 0.733 21 EGV (4s)-5-carbamimidamido-4-hydroxy-2-oxopentanoic acid 0.733 22 L06 5-{[amino(imino)methyl]amino}-2-(sulfanylmethyl)pentanoic acid 0.733 23 WYK (2s,4s)-4-hydroxy-L-arginine 0.733 24 ZZU (2s,3s)-3-hydroxyarginine 0.733 25 MGG 2-(2-carboxy-acetylamino)-5-guanidino-pentanoic acid 0.722 26 OAR N-(4-amino-5-hydroxy-pentyl)-guanidine 0.714 27 RGL Arginal 0.714 28 0X9 N~2~-sulfamoyl-L-arginine 0.706 29 M3R Methyl phosphonated L-arginine 0.706 30 R33 N-[(3s)-6-carbamimidamido-2-oxohexan-3-yl]glycinamide 0.706