SGD Paper 
Morsomme P and Riezman H (2002) The Rab GTPase Ypt1p and tethering factors couple protein sorting at the ER to vesicle targeting to the Golgi apparatus. Dev Cell 2(3):307-17
Abstract: GPI-anchored proteins exit the ER in distinct vesicles from other secretory proteins, and this sorting event can be reproduced in vitro. When extracts from a uso1 mutant were used, the sorting of GPI-anchored proteins from other secretory proteins was defective. Complementation with purified Uso1p restored sorting. The Rab GTPase Ypt1p and the tethering factors Sec34p and Sec35p, but not Bet3p, a member of the TRAPP complex, were also required for protein sorting upon ER exit. Therefore, the Ypt1p tethering complex couples protein sorting in the ER to vesicle targeting to the Golgi apparatus. Sorting of GPI-anchored proteins from other secretory proteins was also observed in vivo. The sorting defect observed in vitro with uso1 and ypt1 mutants was reproduced in vivo.
| Status: Published | Type: Journal Article | PubMed ID: 11879636 |
Topics addressed in this paper
Number of different genes curated to this paper: 6
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