si_0831 Paerucumarin_Biosynthesis PvcA protein, related to known isonitrile synthases si_0831 Paerucumarin_Biosynthesis PvcB protein, related to amino acid oxidizing enzymes si_0831 Paerucumarin_Biosynthesis PvcC protein, related to two-component flavin adenine dinucleotide-dependent monooxygenases si_0831 Paerucumarin_Biosynthesis PvcD protein, related to two-component flavin adenine dinucleotide-dependent monooxygenases si_0831 Paerucumarin_Biosynthesis HTH-type transcriptional regulator PtxR