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Schematic representation of the sequence of hydrolysis of the 33-mer immunogenic epitope by partially purified peptidases from the pooled cytoplasmic fraction of 10 sourdough lactobacilli. PepN, general aminopeptidase type N; PepO, endopeptidase; PEP, prolyl endopeptidyl peptidase; PepX, X-prolyl dipeptidyl aminopeptidase; PepQ, prolidase. Cleavage sites are indicated (↑).
