Protein native-state stabilization by placing aromatic side chains in N-glycosylated reverse turns.

Protein native-state stabilization by placing aromatic side chains in N-glycosylated reverse turns.
复制标题

DOI:
10.1126/science.1198461
复制
发表时间:
2011-02-04
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Kelly JW
Kelly JW
中科院分区:
其他
文献类型:
--
作者:
Culyba EK;Price JL;Hanson SR;Dhar A;Wong CH;Gruebele M;Powers ET;Kelly JW

文献摘要

参考文献

被引文献

相似文献

真核蛋白的N-糖基化有助于它们折叠和穿越细胞分泌途径,并可以增加它们的稳定性,尽管对稳定的分子基础知之甚少。蛋白质在初始位点(通常不被糖基化的位点)的糖基化可以用于治疗和研究应用,但目前会导致蛋白质稳定性的不可预测的变化。我们表明,放置一个苯丙氨酸残基的两个或三个位置之前的糖基化天冬酰胺在不同的逆转有利于稳定的芳香族侧链和第一个N-乙酰葡糖胺(GlcNAc)的聚糖之间的相互作用。在三种不同的蛋白质中,糖基化这种可移动的结构模块,一种“增强的芳香序列子”,使它们的天然状态稳定在每摩尔-0.7至-2.0千卡,并增加细胞糖基化效率。
N-glycosylation of eukaryotic proteins helps them fold and traverse the cellular secretory pathway and can increase their stability, although the molecular basis for stabilization is poorly understood. Glycosylation of proteins at naïve sites (ones that normally are not glycosylated) could be useful for therapeutic and research applications, but currently results in unpredictable changes to protein stability. We show that placing a Phe residue two or three positions prior to a glycosylated Asn in distinct reverse turns facilitates stabilizing interactions between the aromatic side chain and the first N-acetylglucosamine (GlcNAc) of the glycan. Glycosylating this portable structural module, an “enhanced aromatic sequon”, in three different proteins stabilizes their native states by −0.7 to −2.0 kilocalories per mole and increases cellular glycosylation efficiency.
DOI: 10.1083/jcb.200808124
发表时间: 2009-03-23
期刊: The Journal of cell biology
影响因子: --
作者:
Glozman R;Okiyoneda T;Mulvihill CM;Rini JM;Barriere H;Lukacs GL
通讯作者: Lukacs GL
DOI: 10.1093/glycob/cwh008
发表时间: 2004-02-01
期刊: GLYCOBIOLOGY
影响因子: 4.3
作者:
Petrescu, AJ;Milac, AL;Wormald, MR
通讯作者: Wormald, MR
DOI: 10.1038/360232a0
发表时间: 1992-11-19
期刊: NATURE
影响因子: 64.8
作者:
JONES, EY;DAVIS, SJ;STUART, DI
通讯作者: STUART, DI
DOI: 10.1016/0022-2836(92)90557-z
发表时间: 1992-04-05
影响因子: 5.6
作者:
HOROVITZ, A;FERSHT, AR
通讯作者: FERSHT, AR
DOI: 10.1111/j.1432-1033.1991.tb15995.x
发表时间: 1991-05-23
期刊: EUROPEAN JOURNAL OF BIOCHEMISTRY
影响因子: --
作者:
WORMALD, MR;WOOTEN, EW;DWEK, RA
通讯作者: DWEK, RA