Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Differentiation of genotypes B and C by Western blot analysis of viral envelope proteins. About 50 μg of proteins from cell lysate was separated in a 12% polyacrylamide gel and reacted with three different antibodies. (A and D) Polyclonal pre-S1 antibody R271; (B and E) monoclonal pre-S2 antibody 031-A (Virogen); (C and F) polyclonal S antibody anti-ad/ay (Novus); (A to C) Chinese isolates; (D to F) U.S. clones.
