Molecular separation of two proteins with same charge can be done by
Molecular separation of two proteins with same charge can be done by gel diffusion chromatography. Gel diffusion chromatography is the best method to differentiate proteins. Ref: Harper 28th Ed. Page-21-22, Harper 27th Ed. Page: 21-22
Ion exchange chromatography
Dialysis
Gel diffusion chromatography
Electrophoresis
Structure and function of protein