ilyas m khan khan at
Fri Jul 18 17:51:11 EST 1997

In article <33C15803.3F30 at>, Daniel Hirschhorn
<d.hirschhorn at> wrote:

> I am coexpressing GroEL and GroES with a GST fusion protein.  
> The GroEL seems to copurify with my desired GST fusion protein on the
> glutathione sepharose 4B column.  Has anyone experienced this?
> Any suggestions?
> Kelley Ruud
> University of Texas at Austin
> kruud at

The answer to your dilemma can be found in Trends in Biochemical Sciences,
January 1997 issue pages 33-34. 

                                          hope this helps


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