The molecule is a L-arginine derivative having two methyl groups both attached to the primary amino moiety of the guanidino group. It has a role as an EC 1.14.13.39 (nitric oxide synthase) inhibitor. It is a non-proteinogenic L-alpha-amino acid, a member of guanidines, a L-arginine derivative and a dimethylarginine. It is a conjugate base of a N(omega),N(omega)-dimethyl-L-argininium(1+).
(2S)-2-amino-5-[[amino(dimethylamino)methylidene]amino]pentanoic acid