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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: Arterioscler Thromb Vasc Biol. 2009 Sep 17;29(12):2161–2168. doi: 10.1161/ATVBAHA.109.194464

Figure 2.

Figure 2

Confirmation of a phosphorylation site at S59 of FLAG-GCH-1 (corresponding to site S51 in endogenous GCH-1). CAD spectrum of an isolated +3 charge state of a tryptic peptide S[54–59]R at m/z 979 (inset), corresponding to a monophosphorylated A[54–79]R with a phosphorylated site at Ser59 (pS). Expt’l MW, experimental most abundant molecular weight; Calc’d MW: calculated most abundant molecular weight.