Disruption of the mu-delta opioid receptor heteromer

Disruption of the mu-delta opioid receptor heteromer
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DOI:
10.1016/j.bbrc.2012.05.023
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发表时间:
2012-06-15
影响因子:
3.1
通讯作者:
George, Susan R.
George, Susan R.
中科院分区:
生物学4区
文献类型:
--
作者:
O'Dowd, Brian F.;Ji, Xiaodong;George, Susan R.

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阿片受体的晶体结构呈现二聚体结构。受体异构体也存在,我们已经确定了每个受体中形成寡聚物所需的离散细胞质区域。在受体的羧基尾部,我们发现了三个甘氨酸残基(-GGG),取代这些残基中的任何一个都可以防止异聚物的形成。在mu和delta受体的胞内环3中,我们发现了三个残基(-SVR),替换这些残基中的任何一个都可以阻止异源异构体的形成。(C) 2012爱思唯尔公司版权所有。
The crystal structure of the mu and kappa opioid receptors has revealed dimeric structural arrangements. Mu delta receptors heteromers also exist and we have identified discrete cytoplasmic regions in each receptor required for oligomer formation. In the carboxyl tail of the delta receptor we identified three glycine residues (-GGG), substitution of any of these residues prevented heteromer formation. In intracellular loop 3 of both mu and delta receptors we identified three residues (-SVR), substitution of any of these residues prevented heteromer formation. (C) 2012 Elsevier Inc. All rights reserved.