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The Collaborative International Dictionary
actinomycin

actinomycin \actinomycin\ n. [From actinomyces, the genus of the organism in which they were first found.] 1. any of various red antibiotics isolated from soil bacteria with a three-ring heterocyclic nucleus with an attached peptide chain.

Note: Actinomycin D is the most well-known and has been used to treat certain tumors. They act by binding to DNA and inhibiting the transcription of RNA. Their binding to DNA has been much studied.

Syn: actinomycin actinomycin C actinomycin F1 actinomycin D

Wiktionary
actinomycin

n. (context protein pharmaceutical drug English) Any of a class of toxic polypeptide antibiotics found in soil bacteria of genus ''Streptomyces''.

WordNet
actinomycin

n. any of various red antibiotics isolated from soil bacteria

Usage examples of "actinomycin".

This includes all of the breeding batch designated Fractionated Actinomycin Nucleotide Complex Y (FANCY) series.

This includes all of the breeding batch designated Fractionated Actinomycin Nucleotide Complex Y (FANCY) series.