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. 2010 Sep 17;10:156. doi: 10.1673/031.010.14116

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© 2010

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 7. — The mass spectrum of fraction 22 from the HPLC fractionation of a methanol brain extract from Z. atratus adults (A) is shown together with the fragmentation spectrum (B) of mass ion (m/z) 1320.9 (sulfakinin 1). The derived sequence is in agreement with this peptide (pETSDDYGHLRFa). High quality figures are available online.