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.
Prefusion) The pH sensitive hinge (cyan) is depicted in the prefusion state interacting with HA1. A salt bridge between Glu69 of HA2 and Arg120 of HA1 is shown that stabilizes the heterodimer interface (1JSD) Hinge Post-Fusion) The hinge adopts an α-helical configuration where an AniAni interaction is formed between Glu69 and Glu74 on the adjacent chain (1HTM).
