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Hydrogen Bonding Modulates Binding of Exogenous Ligands in a Myoglobin Proximal Cavity Mutant
Alanine Amino Acid Substitution Animals Binding Sites Glycine Histidine Hydrogen Bonding Imidazoles Ligands Macromolecular Substances Metmyoglobin Models, Chemical Mutagenesis, Insertional Myoglobin Nitric Oxide Nuclear Magnetic Resonance,Biomolecular Protons Serine Threonine Whales
2016/5/23
In the sperm whale myoglobin mutant H93G, the proximal histidine is replaced by glycine, leaving a cavity in which exogenous imidazole can bind and ligate the heme iron (Barrick, D. (1994) Biochemistr...
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...
1H NMR Characterization of Myoglobins Where Exogenous Ligands Replace the Proximal Histidine
Sperm whale myoglobin Site-directed mutagenesis Resonance assignment Heme Orientation Imidazole Cyanometmyoglobin Binding Mutants H-1-nmr
2016/5/23
The role of the proximal ligand in determining the structure and ligand binding properties of sperm whale myoglobin has been investigated using the mutant H93G(L), where the proximal histidine has bee...
Synthesis and spectroscopic studies of some new organometallic chelates derived from bidentate ligands
4-Amino-5-mercapto-s-triazole Schiff bases silicon complexes
2010/10/18
A series of organosilicon(IV) and organotin(IV) complexes having the formulae R2MCl(L1), R2MCl(L2), R2MCl(L3), R2MCl(L4), R2M(L1)2, R2M(L2)2, R2M(L3)2, and R2M(L4)2, where M = Si and Sn, and R = CH3, ...
Synthesis, characterization, antibacterial and antifungal evaluation of some new platinum(II) complexes of 2-phenylbenzimidazole ligands
Antibacterial activity antifungal activity benzimidazole
2010/10/18
A series of platinum(II) complexes of the type [PtL2Cl2] 1, [PtL2I2] 2, [PtL2(oxalato)] 3, and [PtL2(malonato)] 4 (L= 2-phenylbenzimidazole ligands as ``non-leaving groups'') were synthesized and cha...
Reactions of the solvent-stabilized compound [MoOCl2(THF)2] with aromatic nitrogen donor ligands: spectroscopic characterization and semiempirical AM1* calculations
Mo(VI) complexes oxo-imido complexes oxomolybdenum complexes oxygen atom
2010/4/8
Reaction of the solvent-stabilized dioxo-molybdenum(VI) compound [MoO2Cl2(THF)2] with PPh3 yielded the oxomolybdenum(IV) species [MoOCl2(THF)2] (1) by the removal of one oxygen atom as PPh3O. The comp...
Application of FAM ligands in the metal-promoted catalytic enantioselective synthesis of organic compounds
the metal-promoted catalytic synthesis of organic compounds
2010/4/8
Novel ferrocenyl substituted aziridinyl methanol (FAM) ligands were synthesized and successfully used in metal-promoted catalytic enantioselective azomethine ylide cycloadditions, diethylzinc addition...
Synthesis and Characterization of New Tridentate Iminooxime Ligands and Their Co(III) Complexes
1,2,3,4-tetrahydroquinazoline tetrahydroquinazoline oxime iminooxime Schiff bases cobalt(III) complexes
2010/4/15
In this study, (hydroxyimino)(2-phenyl(1,2,3,4-tetrahydroquinazolin- 2-yl))methane (H2L1) and (hydroxyimino)(2-(2-thienyl)(1,2,3,4- tetrahydroquinazolin-2-yl))methane (H2L2) were synthesized by the co...
Rainwater as a source of Fe(II)-stabilizing ligands to seawater
Rainwater Fe stabilizing ligands seawater
2014/4/18
Rainwater hydrophobic extractable dissolved organic matter (EDOM) contains ligand(s) that completely prevent Fe(II) oxidation for at least 4 h after rain is mixed with seawater.The EDOM Fe(II) complex...
Dinuclear Molybdenum Tetracarbonyl Complexes of Tetradentate Nitrogen Ligands and Intermolecular Hydrogen Bonding in the Crystal Structure of N,N´-bis-[1-(pyridin-2-yl)ethylidene]-ethane-1,2-diamine
Dinuclear intermolecular H-bonding molybdenum polyimines Schiff base tetracarbonyl
2010/4/8
Multidentate N-ligands (Schiff bases) were prepared by the condensation of 2-acetylpyridine or 2-benzoylpyridine, and 1,2-diaminoethane or 1,6-diaminohexane (2:1 ratio) in ethanol. These ligands were ...
A New Method of Synthesis of Azo Schiff Base Ligands with Azo and Azomethine Donors: Synthesis of N-4-Methoxy- benzylidene-2-(3-hydroxyphenylazo)-5-hydroxy- aniline and Its Nickel(II) Complex
synthesis azo compound Schiff base ligand azo and azomethine donor
2007/12/19
摘要 A new method for the synthesis of azo Schiff an base ligand in which the azo and azomethine groups are coordination sites was developed through a Schiff base precursor. The precursor, N-4-methoxybe...
BORONIC ACIDS AS LIGANDS FOR AFFINITY CHROMATOGRAPHY
boronic acids borate boronate boronate affinity chromatography separation of glycoproteins
2007/12/13
A review on the principles and applications of boronic acids as affinity ligands for the chromatographic separation of carbohydrates, nucleic acid components, glycoproteins, and other small biomolecul...
Synthesis and Cytotoxic Activity of Platinum(II) and Platinum(IV) Complexes with 2-Hydroxymethylbenzimidazole or 5(6)-Chloro-2-hydroxymethylbenzimidazole Ligands against MCF-7 and HeLa Cell Lines
Benzimidazole, cytotoxic activity, HeLa cell line, MCF-7 cell line, platinum(IV) complexes, platinum(II) complexes
2010/4/16
Four platinum(II) and 4 platinum(IV) complexes with the structures [PtL2Cl2], [PtL2I2], [PtL2Cl4], and [PtL2Cl2(OH)2] (L = 5(6)-non/orchloro-substituted-2-hydroxymethylbenzimidazole ligands as ``non-l...
专著信息
书名
New Ag(I)-Containing Inorganic/Organic Coordination Polymers Generated from Multidentate Schiff-Base Ligands
语种
英文
撰写或编译
作者
董育斌,赵霞
第一作者单位
出版社
Inorg. Chem., 2004, 43, 5603. (影响因子3.389)
出版地
出版日期...
专著信息
书名
New Ag(I) Organometallic Coordination Polymers and M (II) (M = Cu(II) and Co(II)) Inorganic Supramolecular Complexes Generated from New Fulvene-Type Ligands
语种
英文
撰写或编译
作者
董育斌,赵霞,靳国霞
第一作者单位
出版...