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SDS-PAGE to analyze rSap2 and EPSP. (a) Purified rSap2 protein. Sap2 was identified with a molecular weight of about 43 kDa. Lane1, Marker; Lane 2, rSap2 protein, (b) Purified EPSP. It showed that EPS was successfully fused to the wild type pⅧ of phage. Lane1, Maker, Lane 2, WTP; Lane3, EPSP.
