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SDS-polyacrylamide gel electrophoresis showing the purification of recombinant glyceraldehyde-3-phosphate dehydrogenase (GpdA) from A. fumigatus. Lane 1, 25 μg of E. coli crude extract overproducing A. fumigatus GpdA; lane 2, 2.4 μg purified GpdA; lane 3, 3.5 μg purified GpdA; lane M, molecular mass standard. Masses (in kilodaltons) are shown on the left.
