Probable transcription factor that regulates expression of the gene cluster that mediates the biosynthesis of Griseofulvin, an important antifungal drug that has been in use for a long time for treating dermatophyte infections (PubMed:20534346). Griseofulvin is a spirocyclic fungal natural product used in treatment of fungal dermatophytes (PubMed:13577889, PubMed:4583105). The Zn(2)-C6 fungal-type DNA-binding domain is highly degenerated, the transcriptional regulation activity of gsfR1 is therefore doubtful.