1 2MR N3, n4-dimethylarginine 1.000 2 NMM (2s)-2-amino-5-[(N-methylcarbamimidoyl)amino]pentanoic acid 0.800 3 3KJ N~5~-(N-hydroxy-N-methylcarbamimidoyl)-L-ornithine 0.750 4 DA2 Ng,ng-dimethyl-L-arginine 0.750 5 J9Y (2s)-2-amino-5-{[(E)-amino(methylamino)methylidene](hydroxy)azaniumyl}pentanoate 0.750 6 0AR N-[N-[(4s)-4-azanyl-5-hydroxy-5-oxo-pentyl]carbamimidoyl]ethanamide 0.706 7 3AR N-omega-propyl-L-arginine 0.706 8 4KJ (5e)-5-[(N-methoxy-N-methylcarbamimidoyl)imino]-L-norvaline 0.706 9 ARV 5-N-allyl-arginine 0.706