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, Derivatization of citrullinated peptides using biotin thiol tag and 2,3-butanedione. b, Fragmentation sites of biotin thiol tag-derivatized citrullinated peptides upon HCD, ETD, or EThcD fragmentations. c, Tandem MS spectrum of the biotin thiol tag-derivatized citrullinated peptide standard SAVRACitSSVPGVR upon HCD fragmentation.
