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已知体内21种氨基酸中,只有酪氨酸(Tyr)、丝氨酸(Ser)、苏氨酸(Thr)三种氨基酸具有抗人绒毛膜促性腺激素(hCG)诱导孕酮生成的作用。Tyr、Ser、Thr还是蛋白质发生磷酸化的氨基酸所在。另外,在筛选10多种Tyr类似物时发现,甘氨酰-酪氨酸(Gly-Tyr)二肽和酪胺酰肼的抗hCG致孕酮生成作用强于Tyr。这些都为探讨上述三
It is known that only the three kinds of amino acids Tyr, Ser and Thr have anti-human chorionic gonadotropin (hCG) -induced progesterone production. Tyr, Ser, Thr or protein phosphorylated amino acids located. In addition, anti-hCG progesterone production by glycyl-Tyr dipeptide and tyramide hydrazide was found to be stronger than Tyr when screening more than 10 Tyr analogs. These are to discuss the above three