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. Author manuscript; available in PMC: 2020 Aug 21.
Published in final edited form as: J Proteome Res. 2020 Jan 13;19(2):634–643. doi: 10.1021/acs.jproteome.9b00525

Figure 2.

Figure 2.

EThcD spectra of (a) an O-linked peptide with crustacean hyperglycemic hormone precursor-related (CPRP) neuropeptide consensus and (b) an O-linked peptide with neuropeptide RYamide consensus discovered from blue crab Callinectes sapidus nervous system. Spectra were analyzed using Proteome Discoverer 2.1 embedded with Byonic with following parameters: precursor mass tolerance 10.0 ppm, fragment mass tolerance 0.01 Da, dynamic modifications C-terminal amidation, N-terminal pyro-Glu from Q and methionine oxidation, and static modification cysteine residue carbamidomethylation.