Not just a cargo receptor for large cargoes; an emerging role of TANGO1 as an organizer of ER exit sites

Proteins synthesized within the endoplasmic reticulum (ER) are exported from ER exit sites via coat protein complex II (COPII)-coated vesicles. Although the mechanisms of COPII-vesicle formation at the ER exit sites are highly conserved among species, vertebrate cells secrete a wide range of materia...

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Bibliographic Details
Published inJournal of biochemistry (Tokyo) Vol. 166; no. 2; pp. 115 - 119
Main Authors Saito, Kota, Maeda, Miharu
Format Journal Article
LanguageEnglish
Published England 01.08.2019
Subjects
collagen
COPII
secretion
ER
TANGO1
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Summary:Proteins synthesized within the endoplasmic reticulum (ER) are exported from ER exit sites via coat protein complex II (COPII)-coated vesicles. Although the mechanisms of COPII-vesicle formation at the ER exit sites are highly conserved among species, vertebrate cells secrete a wide range of materials, including collagens and chylomicrons, which form bulky structures within the ER that are too large to fit into conventional carriers. Transport ANd Golgi Organization 1 (TANGO1) was initially identified as a cargo receptor for collagens but has been recently rediscovered as an organizer of ER exit sites. We would like to review recent advances in the mechanism of large cargo secretion and organization of ER exit sites through the function of TANGO1.
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ISSN:0021-924X
1756-2651
DOI:10.1093/jb/mvz036