Page, Karen M;
Gumerov, Vadim M;
Dahimene, Shehrazade;
Zhulin, Igor B;
Dolphin, Annette C;
(2023)
The importance of cache domains in α2δ proteins and the basis for their gabapentinoid selectivity.
Channels
, 17
(1)
, Article 2167563. 10.1080/19336950.2023.2167563.
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Abstract
In this hybrid review, we have first collected and reviewed available information on the structure and function of the enigmatic cache domains in α2δ proteins. These are organized into two double cache (dCache_1) domains, and they are present in all α2δ proteins. We have also included new data on the key function of these domains with respect to amino acid and gabapentinoid binding to the universal amino acid-binding pocket, which is present in α2δ-1 and α2δ-2. We have now identified the reason why α2δ-3 and α2δ-4 do not bind gabapentinoid drugs or amino acids with bulky side chains. In relation to this, we have determined that the bulky amino acids Tryptophan and Phenylalanine prevent gabapentin from inhibiting cell surface trafficking of α2δ-1. Together, these novel data shed further light on the importance of the cache domains in α2δ proteins.
| Type: | Article |
|---|---|
| Title: | The importance of cache domains in α2δ proteins and the basis for their gabapentinoid selectivity |
| Location: | United States |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1080/19336950.2023.2167563 |
| Publisher version: | https://doi.org/10.1080/19336950.2023.2167563 |
| Language: | English |
| Additional information: | © 2023 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
| Keywords: | Voltage-gated calcium channel, amino acid, cache domain, gabapentinoid, α2δ protein |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Neuro, Physiology and Pharmacology |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10164396 |
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