SDS-PAGE (11% gel) analysis of the Cs-cp recombinant protein. Lane 1, molecular mass standards (masses shown on the left side); lane 2, lysate of E. coli with Cs-cp before induction; lane 3, lysate of E. coli with Cs-cp after induction; lane 4, supernatants of lysate of E. coli with Cs-cp after induction; lane 5, precipitants of lysate of E. coli with Cs-cp after induction; lane 6, Cs-cp recombinant proteins purified by the affinity purification method.