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2D PVDFs (A, B) and pTyr WBs (C, D). ALK48 protein pre- (A, C) and post- (B, D) kinase reaction. A and C are from a 2D gel loaded with 1 μg ALK48. B and D are from an identically run second gel loaded with 1 μg of the same protein after the kinase reaction. Western blots are both from 3-min Kodak MR film exposures. Carbamylated carbonic anhydrase pI markers were added. Molecular weight markers are shown on the left.
