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Planta Med 2012; 78 - CL2
DOI: 10.1055/s-0032-1320237
DOI: 10.1055/s-0032-1320237
Fungal BIS-Naphthopyrones as inhibitors of botulinum neurotoxin serotype A
An in silico screen of the NIH Molecular Library Small Molecule Repository (MLSMR) of ˜350,000 compounds and confirmatory bioassays led to identification of chaetochromin A (1) as an inhibitor of botulinum neurotoxin serotype A (BoNT A). Subsequent acquisition and testing of analogs of 1 uncovered two compounds, talaroderxines A (2) and B (3), with improved activity. These are the first fungal metabolites reported to exhibit BoNT/A inhibitory activity.