Surf4 (Erv29p) binds amino-terminal tripeptide motifs of soluble cargo proteins with different affinities, enabling prioritization of their exit from the endoplasmic reticulum.

Yin Y, Garcia MR, Novak AJ, Saunders AM, Ank RS, Nam AS, Fisher LW
PLoS Biol. 2018 Aug 7;16(8):e2005140. doi: 10.1371/journal.pbio.2005140. eCollection 2018 Aug. PubMed Article

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