期刊
NATURE COMMUNICATIONS
卷 11, 期 1, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41467-020-14321-0
关键词
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资金
- NIH [MH060252, NS111745, MH085926]
- Robertson funds at Cold Spring Harbor Laboratory
- Doug Fox Alzheimer's fund
- Austin's purpose
- Heartfelt Wing Alzheimer's fund
- BBSRC [BB/L001977/1]
- European Research Council
- George A. AMP
- Marjorie H. Anderson Fellowship
- Boehringer Ingelheim Fonds
- BBSRC [BB/L001977/1] Funding Source: UKRI
N-Methyl-D-aspartate receptors (NMDARs) play critical roles in the central nervous system. Their heterotetrameric composition generates subtypes with distinct functional properties and spatio-temporal distribution in the brain, raising the possibility for subtype-specific targeting by pharmacological means for treatment of neurological diseases. While specific compounds for GluN2A and GluN2B-containing NMDARs are well established, those that target GluN2C and GluN2D are currently underdeveloped with low potency and uncharacterized binding modes. Here, using electrophysiology and X-ray crystallography, we show that UBP791 ((2S*,3R*)-1-(7-(2-carboxyethyl)phenanthrene-2-carbonyl)piperazine-2,3-dicarboxylic acid) inhibits GluN2C/2D with 40-fold selectivity over GluN2A-containing receptors, and that a methionine and a lysine residue in the ligand binding pocket (GluN2D-Met763/Lys766, GluN2C-Met736/Lys739) are the critical molecular elements for the subtype-specific binding. These findings led to development of UBP1700 ((2S*,3R*)-1-(7-(2-carboxyvinyl)phenanthrene-2-carbonyl)piperazine-2,3-dicarboxylic acid) which shows over 50-fold GluN2C/2D-selectivity over GluN2A with potencies in the low nanomolar range. Our study shows that the l-glutamate binding site can be targeted for GluN2C/2D-specific inhibition. Selectively inhibiting N-Methyl-D-aspartate receptors (NMDARs) containing the GluN2C/2D subunits has been challenging. Here, using electrophysiology and X-ray crystallography, authors show that compounds UBP791 and UBP1700 show over 40- and 50-fold selectivity for GluN2C/2D compared to GluN2A.
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