title: (3,3'-Leu)-gramicidin S formation by gramicidin S synthetase.
mesh_terms: D000591:Amino Acid Isomerases / Q000378:metabolism*; D000595:Amino Acid Sequence; D006096:Gramicidin / Q000096:biosynthesis*; D007930:Leucine / Q000378:metabolism; D013058:Mass Spectrometry; D008970:Molecular Weight; D009097:Multienzyme Complexes / Q000378:metabolism*; D010453:Peptide Synthases / Q000378:metabolism*; D013379:Substrate Specificity; D014633:Valine / Q000378:metabolism
chemical_list: D009097:Multienzyme Complexes; D006096:Gramicidin; D000591:Amino Acid Isomerases; D010453:Peptide Synthases; D007930:Leucine; D014633:Valine