Citrulline shine L-enantiomer na citrulline.Yana da matsayi a matsayin mai hana EC 1.14.13.39 (nitric oxide synthase), wakili mai karewa, mai gina jiki, micronutrients, metabolite na mutum, Escherichia coli metabolite, Saccharomyces cerevisiae metabolite da linzamin kwamfuta metabolite.Yana da eantiomer na D-citrulline.Yana da tautomer na L-citrulline zwitterion.