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J Chem Inf Model. 2014 Jun 23;54(6):1553-7. doi: 10.1021/ci500197a. Epub 2014 May 30.

Computer-aided discovery of aromatic l-α-amino acids as agonists of the orphan G protein-coupled receptor GPR139.

Author information

1
Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen , Universitetsparken 2, 2100 Copenhagen, Denmark.

Abstract

GPR139 is an orphan G protein-coupled receptor expressed mainly in the central nervous system. We developed a pharmacophore model based on known GPR139 surrogate agonists which led us to propose aromatic-containing dipeptides as potential ligands. Upon testing, the dipeptides demonstrated agonism in the Gq pathway. Next, in testing all 20 proteinogenic l-α-amino acids, L-tryptophan and l-phenylalanine were found to have EC50 values of 220 and 320 μM, respectively, making them the first putative endogenous agonists for GPR139.

PMID:
24826842
DOI:
10.1021/ci500197a
[Indexed for MEDLINE]

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