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计算机辅助药物设计专题
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粘附GPCRs(aGPCRs)
粘附GPCRs(aGPCRs)与B族GPCRs相似,具有较大N端结构域。这个N端结构域与细胞外基质蛋白和其他细胞表面标记物相互作用。aGPCRs的一个独特特征是在TMD附近具有一个独特的高度保守的结构域,即GPCR自动蛋白水解诱导域(GAIN domain),从TMD中自动催化裂解ECD,从而生成一个“栓系”配体,激活aGPCR。aGPCRs复合物N端的其他结构域也参与细胞粘附、细胞间信号传递,被认为在胚胎发育中起重要作用,也有人认为是机械感受器。
GPCR受体的小分子调节剂列表:
aGPCRs:
(1)beclomethasone dipropionate [1] (PubChem CID: 21700),
(2) ezetimibe [2] (PubChem CID: 150311),
(3) flunarizine [2] (PubChem CID: 941361),
(4) zeranol [2] (PubChem CID: 2999413),
(5) 3-α-acetoxydihydrodeoxygedunin [3]
(PubChem CID not available),
(6) dihydromunduletone [4] (PubChem CID: 3492326),
(7) synaptamide [5] (PubChem CID: 5283451)
(8) and anandamide [5] (PubChem
CID: 87246209).
1. Gupte J, Swaminath G, Danao J, et al. Signaling property study of
adhesion G-protein-coupled receptors. FEBS Lett. 2012;586:1214–1219.
2. Southern C, Cook JM, Neetoo-Isseljee Z, et al. Screening β-arrestin
recruitment for the identification of natural ligands for orphan
G-protein–coupled receptors. J Biomol Screen. 2013;18:599–609.
3. Stoveken HM, Larsen SD, Smrcka AV, et al. Gedunin- and
khivorin-derivatives are small-molecule partial agonists for
Adhesion G protein-coupled receptors GPR56/ADGRG1 and
GPR114/ADGRG5. Mol Pharmacol. 2018;93:477–488.
•• This paper provides the information on 3-α-acetoxydihydrodeoxygedunin
and several other recently discovered partial
aGPCR agonists.
4. Stoveken HM, Bahr LL, Anders MW, et al. Dihydromunduletone is a
small-molecule selective Adhesion G protein-coupled receptor
antagonist. Mol Pharmacol. 2016;90:214–224.
•• This paper covers the only currently known small molecule
aGPCR antagonist.
5. Kim HY, Spector AA. N- Docosahexaenoylethanolamine:
A neurotrophic and neuroprotective metabolite of docosahexaenoic
acid. Mol Aspects Med. 2018;64:34–44.
•• This paper summarizes the most recent overall evidence
regarding synaptamide.
Opportunities and challenges for drug discovery in
modulating Adhesion G protein-coupled receptor
(GPCR) functions.
Expert Opinion on Drug Discovery. 2020.7