Commercial supplier of protein disulfide isomerase?

pathology at pathology at
Fri Feb 7 09:14:12 EST 1992

Is there a commercial supplier of the enzyme protein disulfide isomerase?  
I want to use that enzyme in protein folding experiments.  The work would be
easier if I did not have to isolate the disulfide isomerase from yeast or 
bovine liver.  Thanks for any leads .

Gregg Wells
Department of Pathology
University of Pennsylvania
Philadelphia, PA
e-mail:  pathology at

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