Peptide NDBP-5.5 (UniProt P0C8W1) was identified as previously described (Schwartz et al., 2007 (link)) and was synthesized by C-terminal amidation using FastBio LTDA (Ribeirão Preto, SP, Brazil). NDBP-5.5 presented >95% of purity. The molecular mass and sequence of the synthetic NDBP5.5 were confirmed by MALDI-TOF/TOF MS (UltraFlex III, BrukerDaltonics, Germany) and LIFTTM (MS/MS) as previously described (Guilhelmelli et al., 2016 (link)).
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