搜索结果: 1-11 共查到“生物化学 CO”相关记录11条 . 查询时间(0.104 秒)
中国科学院研究揭示CO蛋白参与茉莉酸激素信号昼夜节律性调控（图）
CO蛋白 茉莉酸激素
2022/12/5
CO（CONSTANS）转录因子是植物光周期和生物钟信号途径调控开花过程的关键决定因子之一，是植物学家长期以来关注和研究的“明星”蛋白。在长日照条件下，CO能直接激活FT基因的表达，从而促进植物开花过程。CO基因除了在幼叶微管组织中表达诱导开花，还可以在幼叶的叶肉细胞以及根部强烈表达。然而，幼叶的叶肉细胞以及根部表达的CO的重要生物学功能，未见报道。
CO（CONSTANS）转录因子是植物光周期和生物钟信号途径调控开花过程的关键决定因子之一，是植物学家长期以来关注和研究的“明星”蛋白。在长日照条件下，CO能直接激活FT基因的表达，从而促进植物开花过程。有趣的是，CO基因除了在幼叶微管组织中表达诱导开花，还可以在幼叶的叶肉细胞以及根部强烈表达。但是，幼叶的叶肉细胞以及根部表达的CO具有什么重要生物学功能呢？到目前为止，尚未见相关研究报道。
Dynamics of Myoglobin-CO with the Proximal Histidine Removed:Vibrational Echo Experiments
Myoglobin-CO Proximal Histidine Removed Vibrational Echo Experiments
2016/5/23
Picosecond infrared vibrational echo measurements from 60 to 300 K on CO bound to the active site of a mutant myoglobin, H93G(N-MeIm), are presented and compared to measurements on native myoglobin an...
Modulation of Protein Function by Exogenous Ligands in Protein Cavities:CO Binding to a Myoglobin Cavity Mutant Containing Unnatural Proximal Ligands
Animals Binding Sites Carbon Monoxide Cloning, Molecular Escherichia coli Heme Kinetics Ligands Magnetic Resonance Spectroscopy Mutagenesis, Site-Directed Myoglobin Myoglobin Point Mutation Protein Conformation ecombinant Proteins Recombinant Proteins Spectroscopy,Fourier Transform Infrared Valine Whales
2016/5/23
A variety of heterocyclic ligands can be exchanged into the proximal cavity of sperm whale myoglobin mutant H93G, providing a simple method for introduction of the equivalent of unnatural amino acid s...
A Test of the Role of Electrostatic Interactions in Determining the CO Stretch Frequency in Carbonmonoxymyoglobin
Electrochemistry Escherichia coli Humans Mutagenesis, Site-Directed Myoglobin Point Mutation Protein Conformation Recombinant Proteins Spectroscopy, Fourier Transform Infrared Vibration
2016/5/23
The vibrational frequency of CO bound to myoglobin can be varied by up to 60 cm-1 by making site-specific mutations in the distal pocket. These changes may result from specific chemical interactions b...
Perturbations of the Distal Heme Pocket in Human Myoglobin Mutants Probed by Infrared Spectroscopy of Bound CO:Correlation with Ligand Binding Kinetics
Distal Heme Pocket Human Myoglobin Mutants Probed Infrared Spectroscopy Bound CO:Correlation Ligand Binding Kinetics
2016/5/23
The infrared spectra of CO bound to human myoglobin and myoglobin mutants at positions His-64, Val-68, Asp-60, and Lys-45 on the distal side have been measured between 100 and 300 K. Large differences...
CO Recombination to Human Myoglobin Mutants in Glycerol-Water Solutions
CO Recombination Human Myoglobin Mutants Glycerol-Water Solutions
2016/5/23
The kinetics of CO recombination to site-specific mutants of human myoglobin have been studied by flash photolysis in the temperature range 250-320 K on the nanosecond to second time scale in 75% glyc...
Investigations of glycoprotein co-translational maturation in the cell
New protein Protein Endoplasmic reticulum cavity Protein folding Coupling molecules Fold the sensor Membrane glycoprotein
2014/12/11
The earliest steps of nascent protein folding are critical to the overall folding efficiency. Folding events start as soon as the protein is translocated into the endoplasmic reticulum lumen, where th...
固氮酶铁钼辅因子FeMo-co在水与非水体系内重组活力与催化活力的比较研究
固氮酶铁钼辅因子 固氮酶 催化活性测定 重组活性分析
2007/12/21
摘要 本文提出一种测定FeMo-co催化活力的反应体系,用此反应体系,在测定FeMo-co催化活力的过程中,FeMo-co与变种UW45抽提液的重组活性始终保持不变。讨论了水含量、还原剂对FeMo-co催化活力和重组活力的影响。
针对国际上对金属配合物同DNA间作用机量的争议，采用分子模拟手段在MM2力场下，搭建并优化了手性金属配合物△,Λ-[Co(phen)2tpphz]^3+与B-DNA[d(GTCGATCGAC)2]的模型，继而对其相互作用进行了模拟，得出的结论是：对所采用的B-DNA片断，该金属配合物有明显的立体选择性△型配合物从小沟插入占明显优势，而且，总体来看，从AT区插入更易进行。
期刊信息
篇名
Deducing Functional Epitopes for GDNF Proteins and Its Specific GFRalpha Co-receptors Using Phylogenetic Approach
语种
英文
撰写或编译
撰写
作者
Zhang Q,Wang LM,Chen ZY,Ding DF
第一作者单位
刊物名称
Sheng Wu Hua Xue...