Molecular structure reveals how the antibiotic streptomycin works

(Phys.org) —Streptomycin was the first antibiotic developed to treat tuberculosis yet until recently, scientists did not completely understand how it works at the molecular level. They knew that streptomycin blocks a critical process, the synthesis of proteins by ribosomes leading to bacterial cell death, but certain details of the interaction remained undiscovered. At Brookhaven National Laboratory's National Synchrotron Light Source, researchers have used x-ray crystallography to complete the picture.

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