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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Structure. 2015 Oct 29;23(12):2213–2223. doi: 10.1016/j.str.2015.09.013

Figure 4. Detection of ER products by FT-ICR mass spectrometry.

Figure 4

Mass spectra for phosphopantetheine ejection products of CurF ER, JamJ ER and the JamJ-CurF chimera. The substrate intermediates were ejected from the ACP by collision-induced dissociation (CID) and detected and quantified by FT-ICR MS. Calculated and observed m/z values are 343 for the cyclopropane product, 377 for the vinyl chloride, and 379 for the reduced product. Panels at the right show the isotopic distribution for the vinyl chloride and reduced products. Reactions were performed in duplicate.