Paper Report for: Mika_2015_Appl.Microbiol.Biotechnol_99_7837
Reference
Title: Prolyl-specific peptidases for applications in food protein hydrolysis Mika N, Zorn H, Ruhl M Ref: Applied Microbiology & Biotechnology, 99:7837, 2015 : PubMed
Various food proteins including, e.g. gluten, collagen and casein are rich in L-proline residues. Due to the cyclic structure of proline, these proteins are well protected from enzymatic degradation by typical digestive enzymes. Proline-specific peptidases (PsP) belong to different families of hydrolases acting on peptide bonds (EC 3.4.x.x). They occur in various organisms including bacteria, fungi, plants and insects. Based on their biochemical characteristics, PsP type enzymes are further grouped into different subclasses of which prolyl aminopeptidases (EC 3.4.11.5, PAP), prolyl carboxypeptidases (EC 3.4.17.16, PCP) and prolyl oligopeptidases/prolyl endopeptidases (EC 3.4.21.26, POP/PEP) are of major interest for applications in food biotechnology. This mini review summarises the biochemical assays employed for these subclasses of PsP and their structural properties and the reaction mechanisms. A special focus was set on PsP derived from fungi and insects and important industrial applications in the field of food biotechnology. The degradation of gluten and collagen as well as the hydrolysis of bitter peptides are discussed.
        
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Mika N, Zorn H, Ruhl M (2015) Prolyl-specific peptidases for applications in food protein hydrolysis Applied Microbiology & Biotechnology99: 7837-46
Mika N, Zorn H, Ruhl M (2015) Applied Microbiology & Biotechnology99: 7837-46