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A novel, rationally designed lanthanoid chelating tag delivers large paramagnetic structural restraints for biomolecular NMR.
Chemical Communications ( IF 4.3 ) Pub Date : 2020-09-14 , DOI: 10.1039/d0cc04337k Daniel Joss 1 , Florine Winter , Daniel Häussinger
Chemical Communications ( IF 4.3 ) Pub Date : 2020-09-14 , DOI: 10.1039/d0cc04337k Daniel Joss 1 , Florine Winter , Daniel Häussinger
Affiliation
Herein, a novel and rationally designed ortho-substituted pyridine activator is reported that reacts rapidly and selectively with cysteine thiols. It forms reduction-stable conjugates and induces large pseudocontact shifts, residual dipolar couplings and paramagnetic relaxation enhancement on both ubiquitin S57C and human carbonic anhydrase II S50C constructs under physiological conditions.
中文翻译:
新颖,合理设计的镧系元素螯合标签为生物分子NMR提供了较大的顺磁性结构限制。
在本文中,报道了新颖且合理设计的邻取代吡啶活化剂,其与半胱氨酸硫醇快速且选择性地反应。它在生理条件下在遍在蛋白S57C和人碳酸酐酶II S50C构建体上形成还原稳定的缀合物,并诱导大的假接触移位,残留的偶极耦合和顺磁弛豫增强。
更新日期:2020-09-24
中文翻译:
新颖,合理设计的镧系元素螯合标签为生物分子NMR提供了较大的顺磁性结构限制。
在本文中,报道了新颖且合理设计的邻取代吡啶活化剂,其与半胱氨酸硫醇快速且选择性地反应。它在生理条件下在遍在蛋白S57C和人碳酸酐酶II S50C构建体上形成还原稳定的缀合物,并诱导大的假接触移位,残留的偶极耦合和顺磁弛豫增强。