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Confirmation of Lal and Ald expression by SDS-PAGE analysis. Shown are crude cell extracts of JM101/pTK31 (lane 1), JM101/pPE56 (lane 2), and JM101/pPE86 (lane 3). Lane M, marker. The arrows show the expected band positions of Lal (52.3 kDa) and Ald (39.7 kDa).
