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RNA的甲基化具有多种生物学功能，在生物体内参与重要生命过程的核糖体RNA和转运RNA都是高度甲基化；信使RNA(mRNA)的帽子结构的鸟嘌呤有N-7甲基的；近年的研究发现: mRNA的内部的碱基的甲基化参与多种生物学功能的调控，这些研究已逐渐演化成一个全新的学科称为表观转录组学(Epitranscriptome)。目前研究中在生物体内催化RNA甲基化的都是蛋白质，它们利用体内普遍存在的硫腺苷甲硫...
Extreme Electric Fields Power Catalysis in the Active Site of Ketosteroid Isomerase
Electric Power Catalysis Active Site Ketosteroid Isomerase
2016/5/25
Enzymes use protein architecture to impose specific electrostatic fields onto their bound substrates, but the magnitude and catalytic effect of these electric fields have proven difficult to quantify ...
Evaluation of the Energetics of the Concerted Acid-Base Mechanism in Enzymatic Catalysis:The Case of Ketosteroid Isomerase
Energetics Concerted Acid-Base Mechanism Enzymatic Catalysis Ketosteroid Isomerase
2016/5/25
Structures of enzymes invariably reveal the proximity of acidic and basic residues to reactive sites on the substrate, so it is natural and common to suggest that enzymes employ concerted mechanisms t...
Construction of fat1 Gene Expression Vector and Its Catalysis Efficiency in Bovine Fetal Fibroblast Cells
fat1 Gene Expression Catalysis Efficiency Bovine Fetal Fibroblast Cells
2016/5/9
The FAT-1 protein is an n-3 fatty acid desaturase, which can recognize a range of 18- and 20-carbon n-6 substrates and transform n-6 polyunsaturated fatty acids (PUFAs) into n-3 PUFAs while n-3 PUFAs ...
Synthesis and Properties of Phenolic Syntan with HRP Catalysis
Enzymatic Catalytic Polymerization Gallic Acid Horseradish Peroxides
2011/11/23
A phenolic syntan GA-SHBS had been synthesized by radical copolymerization of gallic acid (GA) and sodium 4-hydroxybenzenesulfonate (SHBS) using horseradish peroxides (HRP)/H2O2 as catalyst. The effec...
Preparation and Properties of Graft Copolymer of Phenols and Starch with HRP Catalysis
Degraded Starch Graft Copolymer Horseradish Peroxidase Synthetic Tanning Agent
2011/12/15
A graft copolymer was synthesized by means of radical copolymerization of degraded starch, phloroglucinol(PG) and sulfanilic acid (SA) and the reaction was catalyzed by horseradishperoxidase (HRP)/H2O...
Preparation and Properties of Graft Copolymer of Phenols and Starch with HRP Catalysis
Degraded Starch Graft Copolymer Horseradish Peroxidase Synthetic Tanning Agent
2011/12/15
A graft copolymer was synthesized by means of radical copolymerization of degraded starch, phloroglucinol(PG) and sulfanilic acid (SA) and the reaction was catalyzed by horseradishperoxidase (HRP)/H2O...
Role of water in the enzymatic catalysis: study of ATP + AMP -> 2ADP conversion by adenylate kinase
enzymatic catalysis ATP + AMP -> 2ADP conversion
2011/1/6
The catalytic conversion ATP + AMP -> 2ADP by the enzyme adenylate kinase (ADK) involves the binding of one ATP molecule to the LID domain and one AMP molecule to the NMP domain. The latter is followe...
Catalysis and activation of magic states in fault tolerant architectures
Catalysis activation magic states fault tolerant architectures
2010/10/29
In many architectures for fault tolerant quantum computing universality is achieved by a combination of Clifford group unitaries and preparation of suitable non-stabilizer states, the so-called magic...
Study on Preparation and Properties of Starch and 4-Phenolsuflonate Graft Copolymer with HRP Catalysis
4-Phenolsuflonate Graft Copolymer Horseradish Peroxidase Starch Synthetic Tannin
2011/12/14
Degraded starch was reacted with 4-phenolsuflonate (PHS) in water in the presence of horseradish peroxidase (HRP) catalyst/H2O2/acetylacetone (ACAC) to give starch and PHS graft copolymers. The struct...
Benzimidazolylidene Carbene Ligated Palladium Catalysis of the Heck Reaction in Aqueous Media
Heck coupling palladium benzimidazolin-2-ylidene benzimidazolium N-heterocyclic carbene
2010/4/16
A highly effective, easy to handle and environmentally benign process for a palladium mediated Heck reaction was developed. The in situ prepared 3-component system, Pd(OAc)2 / 1,3-dialkylbenzimidazoli...
Catalysis of Nontronite in Phenols and Glycine Transformations
Catalysis Deamination Decarboxylation Glycine Nontronite Phenol Polycondensation
2011/12/31
The catalytic power of Ca-nontronite (0.2? 祄) for the polycondensation of phenols and glycine and the associated reactions that involve the ring cleavage of phenols and the decarboxylation and deamina...