N-terminal T4 lysozyme fusion facilitates crystallization of a G protein coupled receptor.
N-terminal T4 lysozyme fusion facilitates crystallization of a G protein coupled receptor.
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DOI:
10.1371/journal.pone.0046039
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发表时间:
2012
期刊:
影响因子:
3.7
通讯作者:
Kobilka BK
中科院分区:
文献类型:
--
作者:
Zou Y;Weis WI;Kobilka BK
A highly crystallizable T4 lysozyme (T4L) was fused to the N-terminus of the β2 adrenergic receptor (β2AR), a G-protein coupled receptor (GPCR) for catecholamines. We demonstrate that the N-terminal fused T4L is sufficiently rigid relative to the receptor to facilitate crystallogenesis without thermostabilizing mutations or the use of a stabilizing antibody, G protein, or protein fused to the 3rd intracellular loop. This approach adds to the protein engineering strategies that enable crystallographic studies of GPCRs alone or in complex with a signaling partner.
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