3d image of teixobactin skeletal formula

teixobactin peptide-like secondary metabolite bacteria gram-positive antibiotics lipid ii iii precursor cell wall staphylococcus aureus mycobacterium tuberculosis diastereomer biosynthesis macrocyclic nonribosomal peptide synthetases antibacterial wall synthesis 3d metabolism cycle mechanism pathway path catabolism biosynthetic intermediate biogenesis substrate derivative bioprecursor metabolic enzyme endogenous molecule molecular formula skeletal structural structure geometry ball stick bioactive cell biochemistry