What rhymes with sparsomycin?
spar·somycin

Sparsomycin is a compound, initially discovered as a metabolite of the bacterium Streptomyces sparsogenes, which binds to the 50S ribosomal subunit and inhibits protein synthesis through peptidyl transferase inhibition. As it binds to the 50S ribosomal subunit, it induces translocation on the 30S subunit. It is a nucleotide analogue. It was also formerly thought to be a possible anti-tumor agent, but interest in this drug was later discarded after it was discovered that it resulted in retinopathy and as a tool to study protein synthesis; it is not specific for bacterial ribosomes and so not usable as an antibiotic. The compound was discovered in 1962 and the structure was determined in 1970; a first total synthesis was reported in 1981.A derivative of this compound is phenol-alanine-sparsomycin, and is believed to be a more effective anti-tumor agent than sparsomycin itself.

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