We report here the first example of an RNA-based catalyst involving a catalytically active metal complex interacting in a non-covalent fashion with short RNA sequences.
Highly Efficient Cyclic Dinucleotide Based Artificial Metalloribozymes for Enantioselective Friedel–Crafts Reactions in Water
作者:Changhao Wang、Min Hao、Qianqian Qi、Jingshuang Dang、Xingchen Dong、Shuting Lv、Ling Xiong、Huanhuan Gao、Guoqing Jia、Yashao Chen、Jörg S. Hartig、Can Li
DOI:10.1002/anie.201912962
日期:2020.2.24
construct artificial metalloenzymes (ArMs) for enantioselective catalysis. DNA-based ArMs containing duplex and G-quadruplex scaffolds have been widely investigated, yet RNA-based ArMs are scarce. Here we report that a cyclic dinucleotide of c-di-AMP and Cu2+ ions assemble into an artificialmetalloribozyme (c-di-AMP⋅Cu2+ ) that enables catalysis of enantioselective Friedel-Crafts reactions in aqueous
Supramolecular Assembly of Artificial Metalloenzymes Based on the Dimeric Protein LmrR as Promiscuous Scaffold
作者:Jeffrey Bos、Wesley R. Browne、Arnold J. M. Driessen、Gerard Roelfes
DOI:10.1021/jacs.5b05790
日期:2015.8.12
to a protein scaffold is an attractive approach to the construction of artificialmetalloenzymes since this is conveniently achieved by self-assembly. Here, we report a novel design for supramolecular artificialmetalloenzymes that exploits the promiscuity of the central hydrophobic cavity of the transcription factor Lactococcal multidrug resistance Regulator (LmrR) as a generic binding site for planar
Effect of ligand sequence-specific modification on DNA hybrid catalysis
作者:H. Zhou、D. Chen、J. K. Bai、X. L. Sun、C. Li、R. Z. Qiao
DOI:10.1039/c7ob01249g
日期:——
key to success for acquiring chiral materials. In recent years, DNA hybrid catalysts have attracted significant interest due to their excellent abilities in accelerating reactions and achieving high enantioselectivity. We report here that bipyridine linked with polyamide as a sequence-specific catalytic ligand was designed to perform a DNA hybrid asymmetric reaction. The products presented different stereoselectivities
Multidrug resistance regulators (MDRs) as scaffolds for the design of artificial metalloenzymes
作者:Manuela Bersellini、Gerard Roelfes
DOI:10.1039/c7ob00390k
日期:——
protein scaffolds is an important element in the design of artificialmetalloenzymes. Herein, we introduce Multidrug Resistance Regulators (MDRs) from the TetR family as a viable class of protein scaffolds for artificialmetalloenzyme design. In vivo incorporation of the metal binding amino acid (2,2-bipyridin-5yl)alanine (BpyA) by stop codon suppression methods was used to create artificial metalloenzymes