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本文引用的文献

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Processing of X-ray diffraction data collected in oscillation mode.振荡模式下收集的X射线衍射数据的处理。
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2
Complex structures of the abscisic acid receptor PYL3/RCAR13 reveal a unique regulatory mechanism.ABA 受体 PYL3/RCAR13 的复杂结构揭示了一个独特的调控机制。
Structure. 2012 May 9;20(5):780-90. doi: 10.1016/j.str.2012.02.019.
3
Crystallization and preliminary X-ray diffraction studies of the abscisic acid receptor PYL3 and its complex with pyrabactin.脱落酸受体PYL3及其与吡唑素复合物的结晶与初步X射线衍射研究。
Acta Crystallogr Sect F Struct Biol Cryst Commun. 2012 Apr 1;68(Pt 4):479-82. doi: 10.1107/S1744309112007506. Epub 2012 Mar 28.
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A thermodynamic switch modulates abscisic acid receptor sensitivity.一种热力学开关调节脱落酸受体的敏感性。
EMBO J. 2011 Aug 16;30(20):4171-84. doi: 10.1038/emboj.2011.294.
5
The molecular basis of ABA-independent inhibition of PP2Cs by a subclass of PYL proteins.PYL 蛋白亚类通过 ABA 非依赖途径抑制 PP2Cs 的分子基础。
Mol Cell. 2011 Jun 10;42(5):662-72. doi: 10.1016/j.molcel.2011.05.011.
6
Molecular basis of the core regulatory network in ABA responses: sensing, signaling and transport.ABA 响应中核心调控网络的分子基础:感应、信号转导和运输。
Plant Cell Physiol. 2010 Nov;51(11):1821-39. doi: 10.1093/pcp/pcq156. Epub 2010 Oct 26.
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Identification and mechanism of ABA receptor antagonism.ABA 受体拮抗作用的鉴定与机制。
Nat Struct Mol Biol. 2010 Sep;17(9):1102-8. doi: 10.1038/nsmb.1887. Epub 2010 Aug 22.
8
Structural basis for selective activation of ABA receptors.ABA 受体选择性激活的结构基础。
Nat Struct Mol Biol. 2010 Sep;17(9):1109-13. doi: 10.1038/nsmb.1898. Epub 2010 Aug 22.
9
Single amino acid alteration between valine and isoleucine determines the distinct pyrabactin selectivity by PYL1 and PYL2.单个氨基酸残基的改变(缬氨酸变为异亮氨酸)决定了 PYL1 和 PYL2 对 pyrabactin 的不同选择性。
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10
Functional mechanism of the abscisic acid agonist pyrabactin.脱落酸激动剂吡丙醚的作用机制。
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脱落酸受体PYL3在(-)-脱落酸存在下的结晶及初始X射线数据

Crystallization and initial X-ray data of abscisic acid receptor PYL3 in the presence of (-)-ABA.

作者信息

Zhang Xingliang, Zhang Qi, Wang Guoqiang

机构信息

Clinical Medicine Research Center, Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong 524001, PR China.

出版信息

Acta Crystallogr Sect F Struct Biol Cryst Commun. 2013 May 1;69(Pt 5):540-3. doi: 10.1107/S1744309113008051. Epub 2013 Apr 30.

DOI:10.1107/S1744309113008051
PMID:23695572
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3660896/
Abstract

Abscisic acid (ABA) modulates many complicated developmental processes and responses to environmental stimuli. Recently, several (+)-ABA signalling mechanisms by the RCAR/PYR1/PYL family of proteins (PYLs) have been proposed. However, the mechanism of the recognition and binding of the unnatural ligand (-)-ABA by PYLs has not yet been elucidated. In the present study, the expression, purification and crystallization of PYL3 in complex with (-)-ABA are reported. Diffraction data were refined to 2.65 Å resolution for this complex in space group P65. These findings will help to explain the stereospecificity of PYLs for (-)-ABA and to explore the selective ABA agonists.

摘要

脱落酸(ABA)调控许多复杂的发育过程以及对环境刺激的反应。最近,有人提出了由RCAR/PYR1/PYL蛋白家族(PYLs)介导的几种(+)-ABA信号传导机制。然而,PYLs对非天然配体(-)-ABA的识别和结合机制尚未阐明。在本研究中,报道了与(-)-ABA结合的PYL3的表达、纯化和结晶。该复合物在空间群P65中的衍射数据被精修至2.65 Å分辨率。这些发现将有助于解释PYLs对(-)-ABA的立体特异性,并探索选择性ABA激动剂。