|Calculated MW||43.2 kDa with 5 IgG binding sites|
|Other Names||Protein L|
|Gene Source||Peptostreptococcus Magnus|
|Application Notes||Reconstitution in H₂O to a concentration of 5 mg/ml gives a clear solution.|
|Storage||-20°C; Lyophilized with no additives|
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Provided below are standard protocols that you may find useful for product applications.
Protein L has the unique ability to bind through kappa light chain interactions without interfering with the antibody’s antigen-binding site. This gives Protein L the ability to bind a wider range of Ig classes and subclasses than other antibody-binding proteins. Protein L can be used to detect, quantify and purify antibodies and antibody/antigen complexes. BioVision’s Recombinant Protein L contains only IgG binding domains. The albumin-binding domain as well as cell wall and cell membrane binding domains have been removed to ensure the maximum specific IgG binding capacity. The 6-His-tag on N-terminus can be used for affinity purification or protein L detection using anti-His-tag antibodies. Protein L binds to all classes of Ig (IgG, IgM, IgA, IgE, and IgD). Protein L will also bind Single Chain Variable Fragments (ScFv) and Fab Fragments. Protein L binds kappa I, III, and IV in human and kappa I on mouse.
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