“…Christian Hackenberger (FMP and Humboldt University Berlin, Germany) described the application of chemoselective reactions for site-specific labeling and cellular uptake of antibodies (Herce et al, 2017; Schumacher et al, 2017a; Schumacher et al, 2017b). Recent advances in intein-mediated ligation were presented by Henning Mootz (University of Münster, Germany), who provided mechanistic insights into the protein splicing pathway and introduced a set of useful split inteins, including the natural Gp41-1 intein as the fastest known trans-splicing intein (Carvajal-Vallejos et al, 2012) and an engineered, photoactivatable intein for light-dependent protein splicing (Boecker et al, 2015). Marcel Schmidt (EnzyPep, University of Amsterdam, Netherlands) presented recent developments on peptiligases with broad and narrow specificities for protein ligation and labeling (Nuijens et al, 2016; Schmidt et al, 2017; Toplak et al, 2016).…”