Complete hydrolysis by 6 M HCl at 110 C followed hy amino acid analysis indicated the presence of Gly, Leu. Phe. and Tyr, in a 2:1:1:1 molar ratio.

• 用6M HCl在110°C完全水解，然后进行氨基酸分析表明，Gly；Leu.；Phe和tyr以2:1:1:1的摩尔比存在。