Recombinant protein L, Pierce™

Supplier: Thermo Fisher Scientific
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21189 77679 77680
PIER21189EA 227 GBP
PIER21189 PIER77679 PIER77680
Recombinant protein L, Pierce™
Protein Purification Protein Purification Reagents

Purified (unconjugated) Pierce™ Recombinant Protein L is useful as the basis for preparing various kinds of probes or affinity media for detection or purification of mouse and human antibodies in immunoassays and antibody purification protocols.


  • Contains four immunoglobulin-binding domains per protein
  • Binds members of all classes of Ig (IgG, IgM, IgA, IgE and IgD) that contain kappa light chains
  • Binds single chain variable fragments (scFv) and Fab fragments that contain kappa light chains


Protein L is an immunoglobulin-binding protein that was originally derived from the bacteria Peptostreptococcus magnus, but is now produced recombinantly. Protein L has the unique ability to bind through kappa light chain interactions without interfering with an 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.

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