The molecule is an ammonium ion resulting from the protonation of the amino group of validamycin A. The major species at pH 7.3. It has a role as an antimicrobial agent, a bacterial metabolite, an antifungal agrochemical, an EC 2.4.1.231 [alpha,alpha-trehalose phosphorylase (configuration-retaining)] inhibitor, an EC 2.4.1.64 (alpha,alpha-trehalose phosphorylase) inhibitor and an EC 3.2.1.28 (alpha,alpha-trehalase) inhibitor. It is a conjugate acid of a validamycin A.
[(1S,2S,3R,4R,5R)-2,3-dihydroxy-5-(hydroxymethyl)-4-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxycyclohexyl]-[(1S,4R,5S,6S)-4,5,6-trihydroxy-3-(hydroxymethyl)cyclohex-2-en-1-yl]azanium