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Trypanosoma cruzi lineage-specific peptides (TSSApep) used in primate serology. a The components of the peptides synthesised: N-terminal biotinylation; PEG spacer; Gly; the lineage-specific sequence; C-terminal Cys. b The amino acid sequences of the lineage-specific TSSA epitopes in the synthetic peptides (TSSApep-). Polymorphic residues are underlined. Abbreviations: Cys, cysteine residue; Gly, glycine residue; PEG, polyethylene glycol
