phosphotyrosine antibody ?

[Peter Alliger]

Can anyone recomend a phosphotyrosine-antibody for western-blotting?
There are several on the market but which ones are really good and how
to use them (dilution?, secondary antibody?, detection?).

Thanks for help 

Pit
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Peter Alliger, Ph.D.                   
Institute for Immunology                 
University of Munich