작성일 : 18-08-20
[G-Biosciences] Immobilized Pepsin


Immobilized Pepsin



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Pepsin is a proteolytic enzyme that is routinely used for the generation of F(ab)2fragments from

immunoglobulin G (IgG).  The pepsin has the ability to cleave the heavy chains near the hinge region. One

or more of the disulfide bonds that join the heavy chains in the hinge region are preserved, so the two Fab

regions of the antibody remain joined together, yielding a divalent molecule (containing two antibody binding

sites), hence the designation F(ab)2. The light chains remain intact and attached to the heavy chain,

whereas the Fc fragment is digested into small peptides.The Immobilized Pepsin offers the distinct

advantage of eliminating enzyme contamination of the F(ab)2 fragments.


The F(ab)2 fragments can be purified from undigested IgG with Immobilized Protein Aand can be further

purified from the small Fc fragments by dialyze with a 50kDa MWCO membrane (Tube-O-DIALYZER™)or by

gel filtration.


Supplied as a 50% slurry in 50% glycerol, 0.1M sodium acetate, pH4.4 with sodium azide as a preservative.




• Generate F(ab)2 fragments

• Eliminates contamination with papain enzyme

• Can be used in virtually all scenarios using free papain



Important Information

• Support: 6% Cross‐linked Agarose



Instruction sheet (PDF)  



Ordering information    

Catalog No.

Product Name



Immobilized Pepsin

5ml Resin



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