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Pex4p is an ubiquitin-conjugating enzyme that functions at a late stage of peroxisomal matrix protein import. Here we show that in the methylotrophic yeast Hansenula polymorpha production of a mutant form of ubiquitin (Ub K48R ) has a dramatic effect on PTS1 matrix protein import. This effect was...
This study identifies some early events contributing to the redox regulation of platelet-derived growth factor receptor (PDGFr) activation and its signalling in NIH3T3 fibroblasts. We demonstrate for the first time that the redox regulation of PDGFr tyrosine autophosphorylation and its signalling...