Citrulline is it L-enantiomeer fan citrulline.It hat in rol as in EC 1.14.13.39 (nitric okside synthase) inhibitor, in beskermjende agint, in nutraceutical, in mikronutriint, in minsklike metabolite, in Escherichia coli metabolite, in Saccharomyces cerevisiae metabolite en in mûs metabolite.It is in enantiomeer fan in D-citrulline.It is in tautomer fan in L-citrulline zwitterion.