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Figure 7


Fig. 7. Scaled schematic of crustacean cardioactive peptide (CCAP) precursor peptide structures of crustaceans (Callinectes sapidus, Carcinus maenas, Homarus gammarus, Orconectes immunis) compared with those of insects (Periplaneta americana, Manduca sexta, Drosophila melanogaster). Black bar represents CCAP; pale grey bar, amidation site; dark grey bars, potential dibasic, tribasic and tetrabasic cleavage sites. Numbers on left refer to unprocessed sizes of precursors, those within boxes, to the various peptides that may be potentially generated following cleavage.





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