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. Author manuscript; available in PMC: 2010 Feb 25.
Published in final edited form as: J Am Chem Soc. 2009 Feb 25;131(7):2481–2483. doi: 10.1021/ja808340b

Figure 1.

Figure 1

Expression of Z-domain protein with an amber codon at position 7 in the presence of the MjtRNA/HQ-3D4 pair. (a) SDS-PAGE analysis of the mutant Z-domain protein. (b) MALDI-TOF mass analysis: expected 7848; observed 7851, 7893 (N-terminal acetylated).