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.
Schematic representations of the NMR-determined secondary structures for the segment 8 vRNA panhandle motifs from influenza A/PR/8/34 virus (2) and ISAV (A) and segment 8 cRNA panhandle motifs from influenza A/PR/8/34 virus (49) and ISAV (B). Solid lines and dots, canonical and noncanonical base pairings, respectively; solid semicircle, the rest of genomic segment 8.
