ArticleProtein science : a publication of the Protein Society2026
Trafficking of the human Na
Article in Protein science : a publication of the Protein Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Trafficking of the human NaProtein science : a publication of the Protein Society · 2026Article
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Authors and funding
8 authors.
Funding
Abstract
A key prerequisite of transporter proteins' function is their trafficking to the target cellular membranes where they fulfill distinct physiological roles. Cornichon proteins (CNIH/Erv14) represent a highly conserved family of coat protein complex II (COPII)-coated vesicle cargo receptors that facilitate the exit of numerous transporters from the endoplasmic reticulum (ER) to proceed via the secretory pathway. Despite their biomedical significance, the cargo specificities of the four human cornichons (CNIH1-4) remain largely unexplored. Here, we conducted a bioinformatics analysis of the CNIH/Erv14 family, revealing evolutionary conservation profiles of the family based on an alignment of 1879 sequences. AlphaFold3 modeling predicts that residues identified as the most evolutionarily conserved in cornichon family interact with Sec24 proteins of COPII vesicles. We also demonstrate the suitability of the model yeast Saccharomyces cerevisiae for studying the properties and putative interactors of human cornichons. We engineered S. cerevisiae strains in which the endogenous cornichon gene (ERV14) was replaced with human CNIH1, CNIH2, or CNIH4 coding sequences or CNIH coding sequences were expressed from multi-copy plasmids. The studied human cornichons were functional in S. cerevisiae cells and, to varying extents, complemented the differing phenotypes related to yeast ScErv14 roles in monovalent-cation homeostasis. The presence of human CNIHs supported the functioning of the yeast plasma-membrane Na
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