Description_x000D_ Biochem/physiol Actions_x000D_ Nα-Acetyl-L-ornithine (AORN) is a substrate for the identification, differentiation and characterization of N(α)-acetyl-L-ornithine deacetylase(s) and of N-Acetyl-l-ornithine transcarbamylase(s) (AOTCase) found in plants, some eubacteria and some human pathogens._x000D_ Other Notes_x000D_ Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. A3626.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.