It might be worth a call to the folks at Stressgen
Biotechnologies in Canada; they deal specifically with Heat Shock
Proteins and antibodies against them. Their phone # is:
604-744-2811, fax 604-744-2877.
Regards, Linscott's Directory.
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Linscott's Directory of Immunological & Biological Reagents
4877 Grange Rd.
Santa Rosa CA 95404
707-544-9555