The ZP protein prepared by the first method was electrophoresized in 7.5% SDS-polyacrylamide gel electrophoresis to identify 2 bands, the relative migration rate being 0.62 and 0.6, and the molecular weight being 65,000 and 67,000 respectively.

• 经凝胶过滤纯化的PZ热溶性蛋白组分；通过7.；5%25聚丙烯酰胺凝胶电泳鉴定为二条带；SDS-聚丙烯酰胺凝胶电泳测定PZ相对迁移率为0