4-phosphopantetheinyl transferase (surfactin synthetase-activating enzyme), required for production of surfactin, plipastatin and bacillaene, inactive pseudogene in strain 168
phosphopantetheinylates a serine residue in each of the seven peptidyl carrier protein domains of the first three subunits of surfactin synthetase (SrfAA-SrfAB-SrfAC) and AcpK