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. 2013 Jan 15;257(2):541–563. doi: 10.1016/j.ccr.2012.04.028

Fig. 4.

Fig. 4

Schematic representation of biosynthesis of a halogenated threonyl-moiety in the biosynthetic pathway of the NRP syringomycin E. The threonyl moiety is tethered to the peptidyl-carrier protein domain (T) in the two-domain protein SyrB1 via a phosphopantetheinly arm. Holo-SyrB1 is then used as a substrate for the halogenase SyrB2.

Adapted from Vaillancourt [20].