Figure 3From: High level soluble expression, one-step purification and characterization of HIV-1 p24 proteinThe SDS-PAGE analysis of the solubility of the recombinant p24 protein. Lane M, Protein molecular marker; Lane 1, cell extract of E. coli harboring pQE30-p24 (pellets); Lane 2, cell extract of E. coli harboring pQE30-p24 (supernatant); Lane 3, the recombinant p24 protein purified by the Ni2+-NTA agarose gel.Back to article page