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.
X-band ESR spectra. A) bovine serum albumin with non-covalently bound 5-doxyl steric acid spin-label; B) bovine serum albumin spin-labeled with maleimide-TEMPO covalently bound to cysteine SH; C) bovine serum albumin spin-labeled with maleimide-TEMPO covalently bound to lysine (SH blocked); and D) ribonuclease A spin-labeled with maleimide-TEMPO at lysine.
