1. 
   Fab(2)
   The fragment (90 kD) of an immunoglobulin produced by pepsin treatment. These fragments have two antigen combining sites and contain two light chains and two variable region heavy chains plus one constant region domain in each heavy chain. The fragment is divalent but lacks the complement-fixing (Fc...
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   

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