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A Signal Sequence Trap Based on Cell Enrichment Using Anti‐CD19 Antibody Coated Magnetic Beads

A Signal Sequence Trap Based on Cell Enrichment Using Anti‐CD19 Antibody Coated Magnetic Beads Precursors of many secreted and cell surface proteins contain NH2‐terminal signal sequences that lead proteins into the endoplasmic reticulum and to the cell surface. Methods have been developed to clone and identify such proteins by trapping their NH2‐terminal signal sequences, so called signal sequence traps. In this study we present an alternative and simplified signal sequence trap based on the combination of a novel vector construct expressing a cDNA library in fusion with a CD19 reporter gene, transfection in mammalian cells and selection of cells expressing trapped signal sequences using magnetic beads. Using this method we have isolated several known and novel factors with signal peptides. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Scandinavian Journal of Immunology Wiley

A Signal Sequence Trap Based on Cell Enrichment Using Anti‐CD19 Antibody Coated Magnetic Beads

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References (15)

Publisher
Wiley
Copyright
Copyright © 2001 Wiley Subscription Services
ISSN
0300-9475
eISSN
1365-3083
DOI
10.1046/j.1365-3083.2001.00925.x
Publisher site
See Article on Publisher Site

Abstract

Precursors of many secreted and cell surface proteins contain NH2‐terminal signal sequences that lead proteins into the endoplasmic reticulum and to the cell surface. Methods have been developed to clone and identify such proteins by trapping their NH2‐terminal signal sequences, so called signal sequence traps. In this study we present an alternative and simplified signal sequence trap based on the combination of a novel vector construct expressing a cDNA library in fusion with a CD19 reporter gene, transfection in mammalian cells and selection of cells expressing trapped signal sequences using magnetic beads. Using this method we have isolated several known and novel factors with signal peptides.

Journal

Scandinavian Journal of ImmunologyWiley

Published: Jan 1, 2001

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