未分类题

sis家族编码产物的作用是( )
A．生长因子 B．生长因子受体 C．蛋白酪氨酸激酶活性 D．结合GTP E．丝氨酸蛋白激酶活性

A.生长因子
B.生长因子受体
C.蛋白酪氨酸激酶活性
D.结合GTP

【参考答案】

Asis基因家族只有sis基因一个成员，编码蛋白质是p28，与血小板源生长因子(PDGF)同源，通过与PDGF膜受体结合......

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