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Mol Membr Biol. 1999 Jan-Mar;16(1):81-7.

Regulation of membrane transport through the endocytic pathway by rabGTPases.

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Department of Cell Biology, University of Utrecht School of Medicine, The Netherlands.


Small GTP binding proteins of the rab family are associated with the cytoplasmic surface of compartments of the central vacuolar system. Several of them, including rab5, rab4 and rab11, are localized to early endocytic organelles where they regulate distinct events in the transferrin receptor pathway. Whereas rab5 is controlling transport to early endosomes, rab4 and rab11 are involved in the regulation of recycling back to the plasma membrane. How GTP-hydrolysis of rab bound GTP is related to the role of these proteins in endocytosis is not yet known, but quick progress is being made towards this goal through the identification of proteins regulating the activity of these rab proteins.

[Indexed for MEDLINE]

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