1| Prepare a 40-ml 4.5% native acrylamide gel (using 1 to 1.5-mm spacers): Prerun the 'gel for 2 h at 10 mA. Large protein complexes greater than 1 MDa in mass are difficult to resolve and migrate ...

electrophoretic polymorphisms revealed that all had the same G6PD and PGM phenotypes. These results were interpreted as reflecting widespread contamination of cultures by the first established ...