Q: protein A instead of a secondary Ab

Keld Sorensen KeldS at uic.edu
Tue Jun 3 03:45:43 EST 1997

Remember protein A does not like all subclasses, so probably protein G
would be preferred. Protien A and Protein G will pick up Fc receptors on
cell surfaces - so will intact secondary Ab (most people would use Fab
or Fab2 fragments).


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