文档介绍：FIGURE3–,Mr.(a)Standardproteinsofknownmolecularweightaresubjectedtoelectrophoresis(lane1).Thesemarkerproteinscanbeusedtoestimatethemolecularweightofanunknownprotein(lane2).(b)AplotoflogMrofthemarkerproteinsversusrelativemigrationduringelectrophoresisislinear,–,,–22Two-dimensionalelectrophoresis.(a),slab-shapedgel,;verticalseparationreflectsdifferencesinmolecularweight.(b)Morethan1,.