<{p}>有一肽，用胰蛋白酶水解得：①H - Met - Glu - Leu - lys - OH ②H-Ser- Ala-Arg-OH ③ H-Gly-Tyr-OH 三组片段。用 BrCN 处理得： ④ H - Ser-Ala-Arg -Met-OH ⑤H —Glu—Leu—lys—Gly—Tyr—OH两组片段，按肽谱重叠法推导出该九肽的序列应为:<{br/}><{br/}><{/p}>