Abstract:Two forms of NADP-dependent malic enzyme (ME, EC 1.1.1.40) were purified from the abdomen muscle of the crayfish Orconectes limosus (Rafinesque, 1817) and the shrimp Crangon crangon L., 1758 by affinity chromatography on 2′,5′-ADP-Sepharose 4B, with good qualitative recovery in a single step, using a substrate activation method with a malate–manganese chloride pair. The enzymes were identified by native polyacrylamide gel electrophoresis stained for protein and enzyme activity. The faster migrating mitochondri… Show more
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