Partially shielded enzymes capable of processing large protein substrates.

Briand, Manon L; Gebleux, Remy; Richina, Federica; Correro, M Rita; Grether, Yasmin; Dudal, Yves; Braga-Lagache, Sophie; Heller, Manfred; Beerli, Roger R; Grawunder, Ulf; Corvini, Philippe F-X; Shahgaldian, Patrick (2020). Partially shielded enzymes capable of processing large protein substrates. Chemical communications, 56(38), pp. 5170-5173. Royal Society of Chemistry 10.1039/d0cc01150a

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We report the first method of enzyme protection enabling the production of partially shielded enzymes capable of processing substrates as large as proteins. We show that partially shielded sortase retains its transpeptidase activity and can perform bioconjugation reactions on antibodies. Moreover, a partially shielded trypsin is shown to outperform its soluble counterpart in terms of proteolytic kinetics. Remarkably, partial enzyme shielding results in a drastic increase in temporal stability of the enzyme.

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