Affinity Protein Expression and Purification Systems



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The Affinity protein expression and purification system provides a simple, gentle and effective method for high-level protein expression and purification. The complete system includes pCAL expression vectors containing a calmodulin-binding peptide tag and calmodulin affinity resin (available separately).

  • pCAL vectors derived from T7 RNA polymerase-based pET vectors
  • Novel purification tag combines small size, gentle elution and high-affinity binding
  • Easy tag removal resulting in native protein
  • System consists of vectors, competent cells and resin