Abstract
4 Interestingly, however, PerCR does not show the specific targeting when introduced into the cells with a protein transfection reagent. To resolve the structural basis for peroxisomal localization of PerCR, we have determined the crystal structure of PerCR at 1.5 A resolution [1]. The structure revealed that the C-terminal PTS1 of each subunit of PerCR was involved in intersubunit interactions and was buried in the interior of the tetrameric molecule. These data indicate that the monomeric form of PerCR whose C-terminal PTS1 is exposed will be recognized by the PTS1 receptor Pex5p in the cytosol and then, is targeted into the peroxisome and thereby forms tetramer. [1] Tanaka et al., Structure 16, 388-397 (2008).
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More From: Acta Crystallographica Section A Foundations of Crystallography
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