Streptomycin subject has role protein synthesis inhibitors
Mechanism of action
Streptomycin functions as a protein synthesis inhibitor. It binds to the small 16S rRNA of the 30S ribosomal subunit irreversibly, interfering with the binding of formyl-methionyl-tRNA to the 30S subunit. This causes codon misreading, inhibition of protein synthesis, and ultimately death of the cell through mechanisms that are not well understood. Speculation indicates that the binding of the molecule to the 30S subunit interferes with 30S subunit association with the mRNA strand. This results in an unstable ribosomal-mRNA complex, leading to premature stopping of protein synthesis, leading to cell death.   As human and bacteria both have ribosomes, streptomycin has significant side effects in humans.  At low concentrations, however, streptomycin inhibits only bacterial growth.Streptomycin is an antibiotic that inhibits both Gram-positive and Gram-negative bacteria, and is therefore a useful broad-spectrum antibiotic.
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