Pure β-adrenergic receptor: the single polypeptide confers catecholamine responsiveness to adenylate cyclase

Pure β-adrenergic receptor: the single polypeptide confers catecholamine responsiveness to adenylate cyclase
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纯β-肾上腺素能受体:单一多肽赋予儿茶酚胺对腺苷酸环化酶的反应性

DOI:
--
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发表时间:
1983
期刊:
影响因子:
64.8
通讯作者:
M. Caron
M. Caron
中科院分区:
综合性期刊1区
文献类型:
--
作者:
R. Cerione;B. Strulovici;J. Benovic;R. Lefkowitz;M. Caron

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来自蛙红细胞、仓鼠肺和豚鼠肺的β-肾上腺素能受体结合亚单位已被纯化至表观均一性,并且在所有情况下均存在于单一多肽上。将纯受体插入磷脂囊泡中,随后将这些囊泡与受体缺陷细胞融合,将β-肾上腺素能反应传递给受体细胞的腺苷酸环化酶系统。这种响应性线性依赖于融合实验中使用的受体的量,并且与受体来源无关。此外,这种反应性显示适当的β-肾上腺素能特异性。这些结果表明,β-肾上腺素能受体多肽含有配体结合位点和负责介导腺苷酸环化酶活性刺激的位点,推测是通过与鸟嘌呤核苷酸调节蛋白的相互作用。
The β-adrenergic receptor binding subunits from frog erythrocytes, hamster lung and guinea pig lung have been purified to apparent homogeneity and in all cases reside on a single polypeptide. Insertion of the pure receptors into phospholipid vesicles and subsequent fusion of these vesicles with a receptor-deficient cell conveys β-adrenergic responsiveness to the adenylate cyclase system of the acceptor cell. Such responsiveness is linearly dependent on the amount of receptor used in the fusion experiments and is independent of the receptor source. Moreover, this responsiveness displays appropriate β-adrenergic specificity. These results indicate that the β-adrenergic receptor polypeptide contains both the ligand binding site and the site responsible for mediating stimulation of adenylate cyclase activity, presumably via interaction with the guanine nucleotide regulatory protein.
利用细胞融合技术探讨儿茶酚胺诱导青蛙红细胞腺苷酸环化酶脱敏的机制。
DOI: 10.1016/0304-4165(80)90231-7
发表时间: 1980
期刊: Biochimica et biophysica acta
影响因子: --
作者:
Pike,LJ;Lefkowitz,RJ
通讯作者: Lefkowitz,RJ
DOI: --
发表时间: 1981
期刊: The Journal of biological chemistry
影响因子: --
作者:
Hanski,E;Sternweis,PC;Northup,JK;Dromerick,AW;Gilman,AG
通讯作者: Gilman,AG
脱敏β-肾上腺素受体的功能完整性。
DOI: --
发表时间: 1983
期刊: The Journal of biological chemistry
影响因子: --
作者:
Strulovici,B;Stadel,JM;Lefkowitz,RJ
通讯作者: Lefkowitz,RJ
脂质囊泡中β-肾上腺素能受体的重建:亲和层析纯化的受体赋予异源腺苷酸环化酶系统儿茶酚胺反应性。
DOI: 10.1073/pnas.80.16.4899
发表时间: 1983
影响因子: 11.1
作者:
Cerione,RA;Strulovici,B;Benovic,JL;Strader,CD;Caron,MG;Lefkowitz,RJ
通讯作者: Lefkowitz,RJ
β-肾上腺素能受体和腺苷酸环化酶刺激性 GTP 结合蛋白的功能重建。
DOI: 10.1073/pnas.79.23.7228
发表时间: 1982
影响因子: 11.1
作者:
Pedersen,SE;Ross,EM
通讯作者: Ross,EM