Thermo Scientific PageRuler Unstained Protein Ladder is a mixture of 14 recombinant, highly purified, unstained proteins (10 to 200 kDa) for use as size standards in protein electrophoresis (SDS-PAGE) and western blotting. The protein ladder is supplied in a ready-to-use format for direct loading onto gels; no need to heat, reduce, or add sample buffer prior to use.
Product features
• Reference bands—50 kDa band is stronger than the others for easy orientation
• Tagged—the ladder proteins contains an integral Strep-tag™ II sequence and can be detected on western blots using Strep-Tactin™ conjugates or an antibody against Strep-tag™ II Sequence
Applications
• Accurate protein sizing on SDS-polyacrylamide gels and western blots
Size Range: 10 to 200 kDa
Molecular Weight: 200, 150, 120, 100, 85, 70, 60, 50, 40, 30, 25, 20, 15, 10 kDa
Quantity: 2 x 250 mL
Contents: two vials of 250 µL each, proteins at 0.02 to 0.05 mg/mL of each
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