Co-IP problems

Fulvio Celsi via (by fulvio.celsi from
Tue Dec 16 07:29:54 EST 2008

Dear All
I'm looking for  suggestions on CoImmunoPrecipitation.... The protein 
I'm interested in CoIP has a MW of 75Kd, so any time I made the 
experiment, on the CoIP lane I saw a smear from the Igg (around 60kd if 
I know well). How can I reduce this effect? I cannot buy another Ab 
(from a different species) thing that I suppose would help...can I 
cross-link ab to the protein-A beads? if
Thanks a lot in advance

Fulvio Celsi
Dept. of Experimental and Diagnostic Medicine
Section of General Pathology
University of Ferrara
Via  Borsari 46
44100 Ferrara
Mobile: +393286489131

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