study on alix and PEP

Alix is a protein involved in protein transport at the endosome while PEP is a plastidial encoded polymerase found in plant

Alix蛋白是一种参与内体（endosome）蛋白质转运过程的蛋白质，而PEP则是存在于植物中的质体编码聚合酶（plastidial encoded polymerase）。