This protocol details the important steps required for the bioconjugation of a cysteine containing protein to a maleimide, including reagent purification, reaction conditions, bioconjugate purification and bioconjugate characterization.
Mason, A. F., Thordarson, P. Synthesis of Protein Bioconjugates via Cysteine-maleimide Chemistry. J. Vis. Exp. (113), e54157, doi:10.3791/54157 (2016).