Targeted protein degradation through cytosolic delivery of monobody binders using bacterial toxins
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BACKGROUND: The HIV Nef protein downregulates CD4 through sequential connection with clathrin-coated pits and the COP1 coatomer, resulting in accelerated endocytosis and lysosomal targeting. RESULTS: Here we report that the small GTPase ARF1 controls the N ...
A new technology for the specific and covalent labelling of fusion proteins with small organic molecules in vivo and in vitro has recently been developed in our laboratory. The method is based on the genetically encoded fusion of a target protein to O6-alk ...
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In this paper, we studied the fate of endocytosed glycosylphosphatidyl inositol anchored proteins (GPI- APs) in mammalian cells, using aerolysin, a bacterial toxin that binds to the GPI anchor, as a probe. We find that GPI-APs are transported down the endo ...
Clostridium perfringens phospholipase C (PLC), also called alpha-toxin, is the major virulence factor in the pathogenesis of gas gangrene. The toxic activities of genetically engineered alpha-toxin variants harboring single amino-acid substitutions in thre ...
T lymphocytes are activated by the engagement of their antigen receptors (TCRs) with complexes of peptide and major histocompatibility complex (MHC) molecules displayed on the cell surface of antigen-presenting cells (APCs) [1]. An unresolved question of a ...
The past three years have shed light on how the pore-forming toxin aerolysin binds to its target cell and then hijacks cellular devices to promote its own polymerization and pore formation. This selective permeabilization of the plasma membrane has unexpec ...
The Nef protein of primate lentiviruses triggers the accelerated endocytosis of CD4 and of class I major histocompatibility complex (MHC-I), thereby down-modulating the cell surface expression of these receptors. Nef acts as a connector between the CD4 cyt ...
