2.3.1.246 malfunction inactivation of dpgA results in loss of balhimycin production, and restoration is achieved by supplementation with 3,5-dihydroxyphenylacetate 729958 2.3.1.246 physiological function the enzyme is involved in the biosynthesis of the non-proteinogenic amino acid (S)-3,5-dihydroxyphenylglycine, a component of the vancomycin-type antibiotic balhimycin 729958