Sequence-specific resonance assignments in the 1H nuclear-magnetic-resonance spectrum of the lac repressor DNA-binding domain 1-51 from Escherichia coli by two-dimensional spectroscopy.

Sequence-specific resonance assignments in the 1H nuclear-magnetic-resonance spectrum of the lac repressor DNA-binding domain 1-51 from Escherichia coli by two-dimensional spectroscopy.
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通过二维光谱法对大肠杆菌 lac 阻遏物 DNA 结合结构域 1-51 的 1H 核磁共振谱进行序列特异性共振分配。

DOI:
10.1111/j.1432-1033.1983.tb07827.x
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发表时间:
1983
期刊:
European journal of biochemistry
影响因子:
--
通讯作者:
K. Wüthrich
K. Wüthrich
中科院分区:
--
文献类型:
--
作者:
E. Zuiderweg;R. Kaptein;K. Wüthrich

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对大肠杆菌Lac阻遏蛋白DNA结合区1-51的1H核磁共振谱进行了指认。指认完全基于氨基酸序列和360 MHz和500 MHz的二维核磁共振实验。在总共51个氨基酸残基中,有44个主链质子在18℃下被单独指定,Met-1、Lys-2、Tyr-7、Arg-35、Glu-36、Lys-37和Ile-48除外。对33个残基的侧链非活性氢原子进行了完全归属,对ASN-46和ASN-50也鉴定出了三角洲酰胺质子。对于pH 4.9和pH 6.8的水溶液,列出了18℃下指定的共振的化学位移。
The assignment of the 1H nuclear magnetic resonance (NMR) spectrum of the DNA-binding domain 1-51 of lac repressor from Escherichia coli is described and documented. The assignments are based entirely on the amino acid sequence and on two-dimensional NMR experiments at 360 MHz and 500 MHz. Individual assignments were obtained at 18 degrees C for the backbone protons of 44 out of the total of 51 amino acids residues, the exceptions being Met-1, Lys-2, Tyr-7, Arg-35, Glu-36, Lys-37 and Ile-48. Complete assignments of the non-labile hydrogen atoms of the side chain were obtained for 33 residues, and for Asn-46 and Asn-50 the delta amide protons were also identified. The chemical shifts for the assigned resonances at 18 degrees C are listed for an aqueous solution at pH 4.9 and at pH 6.8.
DOI: 10.1021/bi00515a006
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