It exists in three major forms: a low molecular weight trimer, a medium molecular weight hexamer and a high molecular weight multimer (3).
它以三种主要形式存在：一个低分子量的三聚体，一个中等分子量的六聚体和一个高分子量的多聚体(3)。
2
Objective To clone and express the hexamer of the gene of spider dragline silk protein, as a foundation of further research on the functions of the dragline silk protein gene of different lengths.