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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Gen Comp Endocrinol. 2013 Jan 5;184:22–34. doi: 10.1016/j.ygcen.2012.12.008

Figure 2.

Figure 2

NanoLC-ESI-Q-TOF de novo sequencing of SPNDWAHFRGSWamide, a novel B-type allatostatin, from the pericardial organ using (A) Q-TOF Micromass or (B) SYNAPT G2 HDMS systems. In this and all other de novo sequencing figures, b-ions represent m/z peaks where charge is maintained on amino (N)-terminal peptide fragments, while y-ions represent peaks where charge is maintained on carboxy (C)-terminal fragments.