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. Author manuscript; available in PMC: 2011 Nov 5.
Published in final edited form as: J Proteome Res. 2010 Sep 23;9(11):5969–5973. doi: 10.1021/pr1007587

Fig. 3.

Fig. 3

Mass spectrum showing the detection of the ΔK58-b2m isoform (upper trace). For comparison, also shown is a mass spectrum containing signals only from native b2m (lower trace).