Journal
BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH
Volume 1763, Issue 12, Pages 1599-1604Publisher
ELSEVIER
DOI: 10.1016/j.bbamcr.2006.08.011
Keywords
peroxisome targeting sequence; PTS2; Pex7p; receptor
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This chapter concerns one branch of the peroxisome import pathway for newly-synthesized peroxisomal proteins, specifically the branch for matrix proteins that contain a peroxisome targeting sequence type 2 (PTS2). The structure and utilization of the PTS2 are discussed, as well as the properties of the receptor, Pex7p, which recognizes the PTS2 sequence and conveys these proteins to the common translocation machinery in the peroxisome membrane. We also describe the recent evidence that this receptor recycles into the peroxisome matrix and back out to the cytosol in the course of its function. Pex7p is assisted in its functioning by several species-specific auxiliary proteins that are described in the following chapter. (c) 2006 Elsevier B.V. All rights reserved.
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