Identification of the first small-molecule ligand of the neuronal receptor sortilin and structure determination of the receptor-ligand complex

Jacob Lauwring Andersen, Tenna Juul Schrøder, Søren Christensen, Dorthe Jepsen Strandbygård, Lone Tjener Pallesen, Maria Marta Garcia Alai, Samsa Lindberg, Morten Langgård, Jørgen Calí Eskildsen, Laurent David, Lena Tagmose, Klaus Baek Simonsen, Philip James Maltas, Lars Christian Biilmann Rønn, Inge Elisabeth Maria de Jong, Ibrahim John Malik, Jan Egebjerg, Jens Jacob Karlsson, Srinivas Uppalanchi, Durga Rao SakumudiPradheep Eradi, Steven P Watson, Søren Thirup

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Abstract

Sortilin is a type I membrane glycoprotein belonging to the vacuolar protein sorting 10 protein (Vps10p) family of sorting receptors and is most abundantly expressed in the central nervous system. Sortilin has emerged as a key player in the regulation of neuronal viability and has been implicated as a possible therapeutic target in a range of disorders. Here, the identification of AF40431, the first reported small-molecule ligand of sortilin, is reported. Crystals of the sortilin-AF40431 complex were obtained by co-crystallization and the structure of the complex was solved to 2.7 Å resolution. AF40431 is bound in the neurotensin-binding site of sortilin, with the leucine moiety of AF40431 mimicking the binding mode of the C-terminal leucine of neurotensin and the 4-methylumbelliferone moiety of AF40431 forming π-stacking with a phenylalanine.
Original languageEnglish
JournalActa Crystallographica. Section D: Biological Crystallography
Volume70
IssuePart 2
Pages (from-to)451-460
Number of pages10
ISSN0907-4449
DOIs
Publication statusPublished - Feb 2014

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