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.
Location and expression of the partially overlapping fragments covering the S2 domain. (A) Schematic representation of the S2 domain (represented by the thick top line) and the twelve fragments F1 to F12 and their amino acid locations on the S protein. The dashed box defines the major antigenic determinant (Leu 803 to Ala 828) described in this paper. (B) SDS-PAGE of the E. coli-expressed and Ni-NTA-purified Trx fusion fragments F1 to F12 (lanes 1 to 12).
