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Carborane-containing urea-based inhibitors of glutamate carboxypeptidase II: Synthesis and structural characterization
- Authors
- Youn, Sihyun; Kim, Kyung Im; Ptacek, Jakub; Ok, Kiwon; Novakova, Zora; Kim, YunHye; Koo, JaeHyung; Barinka, Cyril; Byun, Youngjoo
- Issue Date
- 15-11월-2015
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Carborane; Glutamate carboxypeptidase II; X-ray crystal structure
- Citation
- BIOORGANIC & MEDICINAL CHEMISTRY LETTERS, v.25, no.22, pp.5232 - 5236
- Indexed
- SCIE
SCOPUS
- Journal Title
- BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
- Volume
- 25
- Number
- 22
- Start Page
- 5232
- End Page
- 5236
- ISSN
- 0960-894X
- Abstract
- Glutamate carboxypeptidase II (GCPII) is a zinc metalloprotease on the surface of astrocytes which cleaves N-acetylaspartylglutamate to release N-acetylaspartate and glutamate. GCPII inhibitors can decrease glutamate concentration and play a protective role against apoptosis or degradation of brain neurons. Herein, we report the synthesis and structural analysis of novel carborane-based GCPII inhibitors. We determined the X-ray crystal structure of GCPII in complex with a carborane-containing inhibitor at 1.79 angstrom resolution. The X-ray analysis revealed that the bulky closo-carborane cluster is located in the spacious entrance funnel region of GCPII, indicating that the carborane cluster can be further structurally modified to identify promising lead structures of novel GCPII inhibitors. (C) 2015 Elsevier Ltd. All rights reserved.
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