The Collaborative International Dictionary
actinomycin C
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