I'm looking for a vector for expressing proteins in E. coli attached to the secretion signal of OmpA. Does anyone know if these are commercially available? Thanks, John -- John Altman Emory Vaccine Center at Yerkes 954 Gatewood Road Atlanta, GA 30329 Phone: 404-727-5981 FAX: 404-727-9005 email: altman at microbio.emory.edu