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Massively parallel interrogation of protein fragment secretability using SECRiFY reveals features influencing secretory system transit

Tijdschriftbijdrage - Tijdschriftartikel

While transcriptome- and proteome-wide technologies to assess processes in protein biogenesis are now widely available, we still lack global approaches to assay post-ribosomal biogenesis events, in particular those occurring in the eukaryotic secretory system. We here develop a method, SECRiFY, to simultaneously assess the secretability of >105 protein fragments by two yeast species, S. cerevisiae and P. pastoris, using custom fragment libraries, surface display and a sequencing-based readout. Screening human proteome fragments with a median size of 50-100 amino acids, we generate datasets that enable datamining into protein features underlying secretability, revealing a striking role for intrinsic disorder and chain flexibility. The SECRiFY methodology generates sufficient amounts of annotated data for advanced machine learning methods to deduce secretability patterns. The finding that secretability is indeed a learnable feature of protein sequences provides a solid base for application-focused studies.

Tijdschrift: Nat Commun
ISSN: 2041-1723
Issue: 1
Volume: 12
Jaar van publicatie:2021
Trefwoorden:SECRiFY, protein biogenesis
BOF-keylabel:ja
IOF-keylabel:ja
BOF-publication weight:6
Auteurs:International
Authors from:Government, Higher Education
Toegankelijkheid:Open