Table 3.

Recent developments in bioconjugation at Arg, Met, Trp and Tyr residues.

Entry	Residue	Reagent(s)	Product	Reference
1	Arg			(Gauthier and Klok, 2011)
2	Met			(Kramer and Deming, 2012)
3	Trp	Rh2(OAc)4, t-BuNHOH pH 6.0		(Antos and Francis, 2004; Antos et al., 2009)
4	Tyr	Pd(OAc)2 (40 μM) TPPTS (0.48 mM) pH 8.5–9		(Chen et al., 2009; Tilley and Francis, 2006)
5	Tyr	pH 9, 4 °C, 15 min Na2S2O4 (100 mM) pH 7.2, r.t., 2 h NalO4		(Hooker et al., 2004)
6	Tyr	pH 9, 4 °C, 15 min pH 6, r.t., 2 h		(Gavrilyuk et al., 2013; Schlick et al., 2005)
7	Tyr	pH 6.5, r.t., 18 h		(Joshi et al., 2004; McFarland et al., 2008; Romanini and Francis, 2007)
8	Tyr			(Ban et al., 2010; Ban et al., 2013; Jessica et al., 2013)
9	Tyr	Ni(OAc)2, Gly-Gly-His MMPP, pH 7		(Kodadek et al., 2005; Meunier et al., 2004)
10	Tyr	[Ru(bpy)3]Cl2, (NH4)2S2O8		(Sato and Nakamura, 2013)
11	Tyr	(NH4)2Ce(NO3)6 pH 6, 1 h, r.t.		(Sato and Nakamura, 2013; Seim et al., 2011)
12	Tyr	IPyBF4, H2O; Pd(OAc)2, TPPTS K3PO4, ArBF3, H2O		(Vilaró et al., 2008)
13	Tyr	Tyrosinase, O2		(Long and Hedstrom, 2012)