Dear Carol,

Chemicon has an IgG2a monoclonal antibody to BK virus, large T antigen, catalog
MAB8505.
This antibody works well on FFPE tissue sections and does not react with Lg T
Ag, SV40 or JC virus. I run this antibody frequently. Feel free to contact
me if
you have further questions.

Regards,

Jim Burchette
Duke University Medical Center
Immunopathology Laboratory
Dept. of Pathology
Durham, NC
919-681-3973