title: Fractionation of the enzyme system responsible for gramicidin S biosynthesis.
mesh_terms: D000255:Adenosine Triphosphate / Q000378:metabolism; D001407:Bacillus / Q000201:enzymology; D002247:Carbon Isotopes; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D004798:Enzymes / Q000302:isolation & purification*; D006882:Hydroxyapatites; D007535:Isomerases; D008722:Methods; D010649:Phenylalanine; D010759:Phosphorus Isotopes; D010879:Piperazines; D011392:Proline; D000644:Quaternary Ammonium Compounds; D013431:Sulfates; D014449:Tyrothricin / Q000096:biosynthesis*
chemical_list: D002247:Carbon Isotopes; D004798:Enzymes; D006882:Hydroxyapatites; D010759:Phosphorus Isotopes; D010879:Piperazines; D000644:Quaternary Ammonium Compounds; D013431:Sulfates; D014449:Tyrothricin; D010649:Phenylalanine; D000255:Adenosine Triphosphate; D011392:Proline; D007535:Isomerases