Article
Sterol binding by OSBP-related protein 1L regulates late endosome motility and function.
Cellular and molecular life sciences : CMLS - 1 Feb 2011
Vihervaara Terhi, Uronen Riikka-Liisa, Wohlfahrt Gerd, Björkhem Ingemar, Ikonen Elina, Olkkonen Vesa M
Abstract excerpt
ORP1L is an oxysterol binding homologue that regulates late endosome (LE) positioning. We show that ORP1L binds several oxysterols and cholesterol, and characterize a mutant, ORP1L Δ560-563, defective in oxysterol binding. While wild-type ORP1L clusters LE, ORP1L Δ560-563 induces LE scattering, which is reversed by disruption of the endoplasmic reticulum (ER) targeting FFAT motif, suggesting that it is due to...
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