Gene Symbol: PEX7
Description: Pex7p
Alias: PAS7, PEB1, Pex7p
Species: Saccharomyces cerevisiae S288c

Top Publications

  1. Zhang J, Lazarow P. PEB1 (PAS7) in Saccharomyces cerevisiae encodes a hydrophilic, intra-peroxisomal protein that is a member of the WD repeat family and is essential for the import of thiolase into peroxisomes. J Cell Biol. 1995;129:65-80 pubmed
    ..W., C. Luckey, and P. B. Lazarow. 1993. Mol. Biol. Cell. 4:1351-1359.). In peb1 (pas7) cells, for example, the peroxisomes contain proteins that are targeted by COOH-terminal tripeptides and contain ..
  2. Zhang J, Lazarow P. Peb1p (Pas7p) is an intraperoxisomal receptor for the NH2-terminal, type 2, peroxisomal targeting sequence of thiolase: Peb1p itself is targeted to peroxisomes by an NH2-terminal peptide. J Cell Biol. 1996;132:325-34 pubmed
    b>Peb1 is a peroxisome biogenesis mutant isolated in Saccharomyces cerevisiae that is selectively defective in the import of thiolase into peroxisomes but has a normal ability to package catalase, luciferase and acyl-CoA oxidase (Zhang, J...
  3. Albertini M, Rehling P, Erdmann R, Girzalsky W, Kiel J, Veenhuis M, et al. Pex14p, a peroxisomal membrane protein binding both receptors of the two PTS-dependent import pathways. Cell. 1997;89:83-92 pubmed
    ..The data presented here are consistent with the idea of a common translocation machinery for both PTS-dependent protein import pathways in the peroxisomal membrane...
  4. Purdue P, Lazarow P. Pex18p is constitutively degraded during peroxisome biogenesis. J Biol Chem. 2001;276:47684-9 pubmed
    ..These sequences bind to the soluble PTS2 receptor, Pex7p, which in turn binds to Pex18p (or Pex21p or possibly both)...
  5. Einwächter H, Sowinski S, Kunau W, Schliebs W. Yarrowia lipolytica Pex20p, Saccharomyces cerevisiae Pex18p/Pex21p and mammalian Pex5pL fulfil a common function in the early steps of the peroxisomal PTS2 import pathway. EMBO Rep. 2001;2:1035-9 pubmed
    ..We propose that not necessarily the same proteins but functional modules of them are conserved in the early steps of peroxisomal protein import. ..
  6. Huhse B, Rehling P, Albertini M, Blank L, Meller K, Kunau W. Pex17p of Saccharomyces cerevisiae is a novel peroxin and component of the peroxisomal protein translocation machinery. J Cell Biol. 1998;140:49-60 pubmed
    ..From these and other studies we conclude that Pex17p, in addition to Pex13p and Pex14p, is the third identified component of the peroxisomal translocation machinery...
  7. Rehling P, Marzioch M, Niesen F, Wittke E, Veenhuis M, Kunau W. The import receptor for the peroxisomal targeting signal 2 (PTS2) in Saccharomyces cerevisiae is encoded by the PAS7 gene. EMBO J. 1996;15:2901-13 pubmed
  8. Purdue P, Yang X, Lazarow P. Pex18p and Pex21p, a novel pair of related peroxins essential for peroxisomal targeting by the PTS2 pathway. J Cell Biol. 1998;143:1859-69 pubmed
    ..Targeting by this pathway is known to involve the interaction of oligopeptide PTS2 signals with Pex7p, the PTS2 receptor...
  9. Brocard C, Lametschwandtner G, Koudelka R, Hartig A. Pex14p is a member of the protein linkage map of Pex5p. EMBO J. 1997;16:5491-500 pubmed
    ..This protein was shown to interact with itself, with Pex13p and with both PTS receptors, Pex5p and Pex7p, indicating a central function for the import of peroxisomal matrix proteins, either as a docking protein or as a ..

More Information


  1. Stein K, Schell Steven A, Erdmann R, Rottensteiner H. Interactions of Pex7p and Pex18p/Pex21p with the peroxisomal docking machinery: implications for the first steps in PTS2 protein import. Mol Cell Biol. 2002;22:6056-69 pubmed
    ..matrix protein import starts with the recognition of the PTS2 targeting signal by the import receptor Pex7p. Subsequently, the formed Pex7p/cargo complex is transported from the cytosol to the peroxisomal docking complex, ..
  2. Marzioch M, Erdmann R, Veenhuis M, Kunau W. PAS7 encodes a novel yeast member of the WD-40 protein family essential for import of 3-oxoacyl-CoA thiolase, a PTS2-containing protein, into peroxisomes. EMBO J. 1994;13:4908-18 pubmed
    ..Two mutants assigned to complementation group 7 define a new gene, PAS7, whose product is necessary for import of thiolase, a PTS2-containing protein, but not for that of SKL (PTS1)-..
  3. Girzalsky W, Rehling P, Stein K, Kipper J, Blank L, Kunau W, et al. Involvement of Pex13p in Pex14p localization and peroxisomal targeting signal 2-dependent protein import into peroxisomes. J Cell Biol. 1999;144:1151-62 pubmed
    ..Like Pex14p, Pex13p not only interacts with the PTS1-receptor Pex5p, but also with the PTS2-receptor Pex7p; however, this association may be direct or indirect...
  4. Pan D, Nakatsu T, Kato H. Crystal structure of peroxisomal targeting signal-2 bound to its receptor complex Pex7p-Pex21p. Nat Struct Mol Biol. 2013;20:987-93 pubmed publisher
    ..the crystal structure of a heterotrimeric PTS2-recognition complex from Saccharomyces cerevisiae, containing Pex7p, the C-terminal region of Pex21p and the PTS2 of the peroxisomal 3-ketoacyl-CoA thiolase...
  5. Deckers M, Emmrich K, Girzalsky W, Awa W, Kunau W, Erdmann R. Targeting of Pex8p to the peroxisomal importomer. Eur J Cell Biol. 2010;89:924-31 pubmed publisher well as in vitro binding studies, we demonstrate that Pex8p is capable to interact with the PTS2-receptor Pex7p and the docking complex component Pex13p with its C-terminal SH3-domain providing the binding site...
  6. Montilla Martinez M, Beck S, Klümper J, Meinecke M, Schliebs W, Wagner R, et al. Distinct Pores for Peroxisomal Import of PTS1 and PTS2 Proteins. Cell Rep. 2015;13:2126-34 pubmed publisher
    Two peroxisomal targeting signals, PTS1 and PTS2, recognized by cytosolic receptors Pex5 and cooperating Pex7/Pex18, direct folded proteins to the peroxisomal matrix...
  7. Nair D, Purdue P, Lazarow P. Pex7p translocates in and out of peroxisomes in Saccharomyces cerevisiae. J Cell Biol. 2004;167:599-604 pubmed
    b>Pex7p is the soluble receptor responsible for importing into peroxisomes newly synthesized proteins bearing a type 2 peroxisomal targeting sequence...
  8. Effelsberg D, Cruz Zaragoza L, Tonillo J, Schliebs W, Erdmann R. Role of Pex21p for Piggyback Import of Gpd1p and Pnc1p into Peroxisomes of Saccharomyces cerevisiae. J Biol Chem. 2015;290:25333-42 pubmed publisher
    ..PTS2-dependent import of the thiolase Fox3p into peroxisomes is conducted by the soluble import receptor Pex7p in cooperation with the auxiliary Pex18p, one of two supposedly redundant PTS2 co-receptors...
  9. Niederhoff K, Meindl Beinker N, Kerssen D, Perband U, Schafer A, Schliebs W, et al. Yeast Pex14p possesses two functionally distinct Pex5p and one Pex7p binding sites. J Biol Chem. 2005;280:35571-8 pubmed
    ..subcomplex at the peroxisomal membrane and interact in this cycle with both soluble import receptors Pex5p and Pex7p. In a first step of a structure-function analysis of Saccharomyces cerevisiae Pex14p, we mapped its binding sites ..
  10. Grunau S, Schliebs W, Linnepe R, Neufeld C, Cizmowski C, Reinartz B, et al. Peroxisomal targeting of PTS2 pre-import complexes in the yeast Saccharomyces cerevisiae. Traffic. 2009;10:451-60 pubmed publisher
    ..Unlike the PTS1 receptor Pex5p, the PTS2 receptor Pex7p is necessary but not sufficient to target cargo proteins into the peroxisomal matrix and requires coreceptors...
  11. Chan A, Schummer A, Fischer S, Schröter T, Cruz Zaragoza L, Bender J, et al. Pex17p-dependent assembly of Pex14p/Dyn2p-subcomplexes of the peroxisomal protein import machinery. Eur J Cell Biol. 2016;95:585-597 pubmed publisher
    ..As dyn2? cells also display reduced peroxisomal function, our data indicate that Dyn2p-dependent formation of the high molecular weight Pex14p-complex is required to maintain peroxisomal function on wild-type level. ..