gamma-L-glutamyl-butirosin B => butirosin B + 5-oxo-L-proline
gamma-l-glutamyl-butirosin b => butirosin b + 5-oxo-l-proline
gamma-L-glutamyl-butirosin B => butirosin B + 5-oxo-L-proline
gamma-l-glutamyl-butirosin b => butirosin b + 5-oxo-l-proline