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.
(A) Screenshot of Fixed position modification mapping window from GUI where data file and sequences are selected. Data processing parameters are also defined here. (B) Screenshot of Modifications window from GUI where modifications are identified during Variable position modification mapping.
