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streptonigrin

An aminoquinone antineoplastic antibiotic isolated from the bacterium Streptomyces flocculus. Streptonigrin complexes with DNA and topoisomerase II, resulting in DNA cleavage and inhibition of DNA replication and RNA synthesis. This agent also acts as a reverse transcriptase inhibitor and causes free radical-mediated cellular damage.
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Synonym:Bruneomycin
nigrin
Rufocromomycin
Abbreviation:STN
Code name:BA-163
PC-501
Chemical structure:5-Amino-6-(7-amino-5,8-dihydro-6-methoxy-5,8-dioxo-2-quinolyl)-4-(2-hydroxy-3,4-dimethoxyphenyl)-3-methyl-2-pyridinecarboxylic Acid
5-Amino-6-(70-amino-5,8-dihydro-6-methoxy-5,8-dioxo-2-quinolyl)-4-(2-hydroxy-3,4-dimethoxyphenyl)-3-methylpicolinic Acid
IND number:925
NSC code:45383
83950
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