(2R,3S,4R,5R,6S)-5-Amino-6-[(1R,2S,3S,4R,6S)-4,6-diamino-3-((2S,3R,4S,5R)-5-aminomethyl-3,4-dihydroxy-tetrahydro-furan-2-yloxy)-2-hydroxy-cyclohexyloxy]-2-hydroxymethyl-tetrahydro-pyran-3,4-diol   、                                                                                      
γ-L-Glu-((S)-4-amino-2-hydroxybutyryl)-N-acetylcysteamine thioester                                                                                                                                                              在
                                                                                                                                                                                 recombinant BtrH enzyme                                                                                                                                  作用下,
                                                                                                                                                                                        反应 6.0h,
                                                                                                                以52%的产率得到