A preferred proteinase of this invention includes the amino acid sequence of seq id no: 2.
本发明的一个较佳蛋白酶包括序列编号2 (SEQ ID NO： 2)的氨基酸序列。
This invention includes compositions comprising long-term cultures of PGCs and offspring derived from them that are genetically modified.
本发明包括包含PGC长期培养物的组合物以及来自遗传修饰的PGC的后代。
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