SEC26

Summary

Gene Symbol: SEC26
Description: coatomer subunit beta
Alias: coatomer subunit beta
Species: Saccharomyces cerevisiae S288c

Top Publications

  1. Eugster A, Frigerio G, Dale M, Duden R. COP I domains required for coatomer integrity, and novel interactions with ARF and ARF-GAP. EMBO J. 2000;19:3905-17 pubmed
    ..Glo3p also interacts with intact coatomer in vitro. ..
  2. Duden R, Hosobuchi M, Hamamoto S, Winey M, Byers B, Schekman R. Yeast beta- and beta'-coat proteins (COP). Two coatomer subunits essential for endoplasmic reticulum-to-Golgi protein traffic. J Biol Chem. 1994;269:24486-95 pubmed
    ..in membrane traffic, we have cloned and characterized two essential genes encoding subunits of the yeast coatomer, SEC26 and SEC27...
  3. Faulstich D, Auerbach S, Orci L, Ravazzola M, Wegchingel S, Lottspeich F, et al. Architecture of coatomer: molecular characterization of delta-COP and protein interactions within the complex. J Cell Biol. 1996;135:53-61 pubmed
    ..We propose that these interactions reflect in vivo associations of those subunits and thus play a functional role in the assembly of coatomer and/or serve to maintain the molecular architecture of the complex. ..
  4. Rein U, Andag U, Duden R, Schmitt H, Spang A. ARF-GAP-mediated interaction between the ER-Golgi v-SNAREs and the COPI coat. J Cell Biol. 2002;157:395-404 pubmed
    ..The mechanisms by which v-SNAREs interact with COPI and COPII coat proteins seem to be different and may play a key role in determining specificity in vesicle budding...
  5. Trautwein M, Dengjel J, Schirle M, Spang A. Arf1p provides an unexpected link between COPI vesicles and mRNA in Saccharomyces cerevisiae. Mol Biol Cell. 2004;15:5021-37 pubmed
    ..Hereby acts the SHE machinery in long-range mRNA transport, whereas COPI vesicles could act as short-range and localization vehicles. The endoplasmic reticulum (ER)-Golgi shuttle might be involved in concentrating mRNA at the ER. ..
  6. Michelsen K, Schmid V, Metz J, Heusser K, Liebel U, Schwede T, et al. Novel cargo-binding site in the beta and delta subunits of coatomer. J Cell Biol. 2007;179:209-17 pubmed
    ..A homology model of the COPI trunk domain illustrates the recognition of R-based signals by COPI. ..
  7. Tu L, Tai W, Chen L, Banfield D. Signal-mediated dynamic retention of glycosyltransferases in the Golgi. Science. 2008;321:404-7 pubmed publisher
    ..We propose that Vps74p maintains the steady-state localization of Golgi glycosyltransferases dynamically, by promoting their incorporation into COPI-coated vesicles. ..
  8. Puts C, Lenoir G, Krijgsveld J, Williamson P, Holthuis J. A P4-ATPase protein interaction network reveals a link between aminophospholipid transport and phosphoinositide metabolism. J Proteome Res. 2010;9:833-42 pubmed publisher
    ..Together, these findings suggest that aminophospholipid transport and phosphoinositide metabolism are interconnected at the Golgi. ..
  9. Yip C, Walz T. Molecular structure and flexibility of the yeast coatomer as revealed by electron microscopy. J Mol Biol. 2011;408:825-31 pubmed publisher
    ..Our analyses provide the first three-dimensional picture of the complete coatomer and reveal substantial conformational flexibility likely to be critical for its scaffolding function. ..

More Information

Publications16

  1. Barlowe C. Coupled ER to Golgi transport reconstituted with purified cytosolic proteins. J Cell Biol. 1997;139:1097-108 pubmed
    ..Ordering experiments using the dilution resistant intermediate and reversible Sec23p complex inhibition indicate Sec18p action is required before LMA1 function. ..
  2. DeRegis C, Rahl P, Hoffman G, Cerione R, Collins R. Mutational analysis of betaCOP (Sec26p) identifies an appendage domain critical for function. BMC Cell Biol. 2008;9:3 pubmed publisher
    ..Together, these results indicate an essential function for the predicted betaCOP appendage and suggest that both COPI appendages perform a biologically active regulatory role with a structure related to adaptin-family appendage domains. ..
  3. Yu X, Breitman M, Goldberg J. A structure-based mechanism for Arf1-dependent recruitment of coatomer to membranes. Cell. 2012;148:530-42 pubmed publisher
    ..A bivalent GTP-dependent binding mode has implications for the dynamics of coatomer interaction with the Golgi and for the selection of cargo molecules. ..
  4. Kim K, Kim E, Jeong K, Park Y, Park H. Effects of mutations in the WD40 domain of ?-COP on its interaction with the COPI coatomer in Saccharomyces cerevisiae. J Microbiol. 2012;50:256-62 pubmed publisher
    ..Furthermore, although the WD40 domain is dispensable for interaction of ?-COP with ?-COP, structural alterations in the WD40 domain could impair the interaction. ..
  5. Hirata R, Nihei C, Nakano A. Isoform-selective oligomer formation of Saccharomyces cerevisiae p24 family proteins. J Biol Chem. 2013;288:37057-70 pubmed publisher
    ..This complex was mainly localized to the Golgi, whereas the p24 complex containing Erv25, instead of Rrt6 but otherwise with the same isoform composition, was found mostly in the ER...
  6. Lee R, Brunette S, Puente L, Megeney L. Metacaspase Yca1 is required for clearance of insoluble protein aggregates. Proc Natl Acad Sci U S A. 2010;107:13348-53 pubmed publisher
    ..Together, our results show that Yca1 contributes to the fitness and adaptability of growing yeast through an aggregate remodeling activity. ..
  7. Jarmoszewicz K, Łukasiak K, Riezman H, Kaminska J. Rsp5 ubiquitin ligase is required for protein trafficking in Saccharomyces cerevisiae COPI mutants. PLoS ONE. 2012;7:e39582 pubmed publisher
    ..Additionally, Rsp5 and Sla1 proteins were found by co-immunoprecipitation in a complex containing COPI subunits. Together, our results show that Rsp5 ligase plays a role in regulating retrograde Golgi-to-ER trafficking. ..