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. Author manuscript; available in PMC: 2013 Apr 27.
Published in final edited form as: Angew Chem Int Ed Engl. 2012 Mar 12;51(18):4312–4316. doi: 10.1002/anie.201108756

Figure 2.

Figure 2

(A) Coomassie-stained SDS-PAGE of TAG4 mutant (left) and mutant (right) myoglobin (indicated by black arrow) expression in the presence and absence of 1 mM UAA 1. (B) ESI-MS spectra of the TAG4 mutant. The insert shows the deconvoluted spectrum; expected mass: 18496 Da, found: 18497 Da.