Protein Synthesis Using S-Alkyl Thioester of Partially Protected Peptide Segments. Synthesis of DNA-Binding Protein of Bacillus stearothermophilus

Protein Synthesis Using S-Alkyl Thioester of Partially Protected Peptide Segments. Synthesis of DNA-Binding Protein of Bacillus stearothermophilus
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使用部分受保护的肽段的 S-烷基硫酯合成蛋白质。

DOI:
10.1246/bcsj.65.3055
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发表时间:
1992
影响因子:
4
通讯作者:
S. Aimoto
S. Aimoto
中科院分区:
化学3区
文献类型:
--
作者:
H. Hojo;S. Aimoto

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以部分保护的肽硫酯为结构单元,合成了嗜热脂肪芽孢杆菌HU型DNA结合蛋白。使用通过固相法获得的肽制备四个肽段,Boc-[Lys(Boc)3]-HBs(1-15)-SCH 2CH 2CONH 2、iNoc-[Lys(Boc)18,19,23,38]-HBs(16-39)-SCH 2CH 2CONH 2、iNoc-[Lys(Boc)41,59]-HBs(40-60)-SCH 2CH 2CONH 2、[Lys(Boc)75,80,83,86,90]-HBs(61-90)。通过在银离子和N-羟基琥珀酰亚胺存在下将硫酯转化为相应的活性酯,将部分保护的肽硫酯缩合为具有游离氨基的肽。最后,获得高纯度的合成HBs(1-90)。
Using partially protected peptide thioesters as building blocks, we synthesized HU-type DNA-binding protein of Bacillus stearothermophilus. Four peptide segments, Boc–[Lys(Boc)3]–HBs(1–15)–SCH2CH2CONH2, iNoc–[Lys(Boc)18,19,23,38]–HBs(16–39)–SCH2CH2CONH2, iNoc–[Lys(Boc)41,59]–HBs(40–60)–SCH2CH2CONH2, [Lys(Boc)75,80,83,86,90]–HBs(61–90) were prepared using peptides obtained by a solid-phase method. A partially protected peptide thioester was condensed to a peptide with a free amino group by converting the thioester to the corresponding active ester in the presence of silver ions and N-hydroxysuccinimide. Finally, highly pure synthetic HBs(1–90) was obtained.
DOI: --
发表时间: 1991
期刊: International journal of peptide and protein research
影响因子: --
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