TAN 1057 C

TAN-1057 C and TAN-1057 D are organic compounds found in the Flexibacter sp. PK-74 bacterium. TAN-1057 C and D are closely related structurally as diastereomers. Also related are TAN-1057 A and TAN-1057 B, isolated from the same bacteria. The four compounds have been shown to be an effective antibiotics against methicillin-resistant strains of Staphylococcus aureus which act through the inhibition of protein biosynthesis.