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Figure 3: Purification of E16 mAbs produced in lettuce or N. benthamiana. Purified E16 mAbs were analyzed on a 12% SDS-PAGE gel using either reducing (Lanes 2–4) or nonreducing (Lanes 5–7) sample buffer. Lane 1: Molecular weight marker; lanes 2 and 5: mammalian cell-derived E16 as reference standard; lanes 3 and 6: E16 purified from lettuce leaves; lanes 4 and 7: purified E16 from N. benthamiana. One representative of several independent experiments is shown.