motif（基序）

Ras protein (Ras蛋白)

second messengers (第二信使)

信號級聯(lián)放大(signaling cascade)

protein kinase A system (PKA系統(tǒng))

protein kinase A，PKA (蛋白激酶 A)

surface receptor superfamilies (表面受體超家族)

growth factor receptor-bound protein 2 (Grb2蛋白)

receptor crossover (受體交叉)

G-protein linked receptor (G-蛋白偶聯(lián)受體)