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. 2014 Apr 9;289(21):14854–14867. doi: 10.1074/jbc.M114.562264

FIGURE 2.

FIGURE 2.

Mass spectrometry identifies four N-glycosylated asparagine residues in murine TRPP2. A, MS precursor spectrum N297HTQADN303RSFI after elastase digestion (charge state +3). B, MS/MS spectrum of N297HTQADN303RSFI after fragmentation and reduction to charge state +1. C, MS precursor spectrum N326GSCSIPQDLR after trypsin digestion (charge state +2). 13C caused a shift of 1 unit of the monoisotopic peptide. D, MS/MS spectrum of N326GSCSIPQDLR after fragmentation and reduction to charge state +1. E, MS precursor spectrum SSEDRAPFGPRN360GT after elastase digestion (charge state +3). F, MS/MS spectrum of SSEDRAPFGPRN360GT after fragmentation and reduction to charge state +1.