For downstream processes which utilize a Protein A capture step (non-MabSelect SuRe„¢), Repligen offers the Protein A ELISA Kit suitable for Protein A resins that contain native and recombinant Protein A ligand variants.

• Specificity for all variants of native and recombinant Protein A
• Sensitivity of 0.1 ng/mL or 0.8 ppm
• Recovery: 80-120%
• Accuracy and precision: Inter-assay +/- 10%, Intra-assay +/- 15%

Kit Contents:

• Anti-protein A coated 96-well microtiter plate
• Reagent A: sample diluent (5x)
• Reagent B: recombinant protein A standard solution
• Reagent C: rabbit anti-protein A: biotin probe
• Reagent D: streptavidin: peroxidase conjugate
• Reagent E: TMB peroxidase substrate
• PBS packs (quantity 2)