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. Author manuscript; available in PMC: 2009 Oct 6.
Published in final edited form as: J Proteome Res. 2008 Sep 10;7(10):4566–4576. doi: 10.1021/pr800468j

Figure 3.

Figure 3

Ubiquitin acceptor lysines. MS/MS spectra of tryptic peptides containing Gly/Gly linked to lysine. (A) Histone H2A; MH33+ 725.11; VTIAQGGVLPNIQAVLLPK(GlyGly)K+3. (B) Histone H2B; MH22+ 549.79; AVTK(GlyGly)YTSSK+2. (C) Hypoxia- inducible factor 1 alpha; MH33+ 619.99; LELVEK(GlyGly)LFAEDTEAK+3.