Expression of His-tagged 46-, 34-, and 32-kDa soybean proteins in baculovirus expression vector pVL1392. Lane 1, protein size markers; lane 2, protein extract from cells expressing pVL1392–46M1; lane 3, Ni-purified 46-kDa protein; lane 4, protein extract from cells expressing pVL1392–34M2; lane 5, Ni-purified 34-kDa protein; lane 6, protein extract from cells expressing pVL1392–32M3; lane 7, Ni-purified 32-kDa protein.