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. 2021 Feb 2;2(2):556–567. doi: 10.1039/d0cb00228c

Bioactivity assay results of antimicrobial and cytotoxicity assays.

Premetathramycin (5) Tetracycline Nystatin Mithramycin A (1) Metathramycin (6)
E. coli ΔtolC >128 0.125 ND >32 ND
B. subtilis E168 2 1 ND 0.004 ND
S. cerevisiae ΔPDR 32 ND 0.5 32 ND
HCT-116 1.91 ND ND 0.013 0.015