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Acetylenic compound oligomerization

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"This volume has a strong focus on homo-oligomerization, which is surprisingly common. However, protein function is so often linked to both homo- and hetero-oligomerization and many heterologous interactions likely evolved from homologous interaction, so this volume also covers many aspects of hetero-oligomerization"--Provided by publisher.

Protein folding. --- Protein multimerization. --- Protein-protein interactions. --- Oligomerization --- Biochemical Processes --- Biophysical Processes --- Physical Processes --- Biochemical Phenomena --- Chemical Processes --- Biophysical Phenomena --- Physical Phenomena --- Chemical Phenomena --- Phenomena and Processes --- Protein Multimerization --- Protein Folding --- Human Anatomy & Physiology --- Health & Biological Sciences --- Animal Biochemistry --- Polymerization. --- Oligomers. --- Polymerisation --- Polymers --- Polymers and polymerization --- Synthesis of polymers --- Folding of proteins --- Proteins --- Synthesis --- Folding --- Medicine. --- Molecular biology. --- Biomedicine. --- Biomedicine general. --- Molecular Medicine. --- Molecular biochemistry --- Molecular biophysics --- Biochemistry --- Biophysics --- Biomolecules --- Systems biology --- Clinical sciences --- Medical profession --- Human biology --- Life sciences --- Medical sciences --- Pathology --- Physicians --- Chemical reactions --- Conformation --- Health Workforce --- Biomedicine, general. --- Dimerization. --- Dimerisation --- Dimers

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The chemistry of nickel in biological systems has been intensely investigated since the discovery of the essential role played by this transition metal in the enzyme urease, ca. 1975. Since then, several nickel-dependent enzymes have been discovered and characterized at the molecular level using structural, spectroscopic, and kinetic methods, and insight into reaction mechanisms has been elaborated using synthetic and computational models. The dual role of nickel as both an essential nutrient and as a toxin has prompted efforts to understand the molecular mechanisms of nickel toxicology and to uncover the means by which cells select nickel from among a pool of different and more readily available metal ions and thus regulate the intracellular chemistry of nickel. This latter effort highlights the importance of proteins involved in the extra- and intra-cellular sensing of nickel, the roles of nickel-selective proteins for import and export, and nickel-responsive transcription factors, all of which are important for regulating nickel homeostasis. In this Special Issue, the contributing authors have covered recent advances in many of these aspects of nickel biochemistry, including toxicology, bacterial pathogenesis, carcinogenesis, computational and synthetic models, nickel trafficking proteins, and enzymology.

Research & information: general --- InrS --- nickel-dependent transcriptional regulators --- molecular modelling --- nickel --- hydrogenase --- urease --- Ni-enzymes --- pathogens --- ncRNA --- miRNA --- lncRNA --- lung carcinogenesis --- histidine-rich protein --- carbon monoxide dehydrogenase --- nickel chaperone --- nickel-induced oligomerization --- urease maturation --- metallochaperone --- G-protein --- conformational change --- bioavailability --- carcinogenicity --- genotoxicity --- allergy --- reproductive --- asthma --- nanoparticles --- ecotoxicity --- environment --- biological nickel sites --- nickel-thiolates --- dinuclear nickel metallopeptides --- thiolate oxidative damage --- nickel enzymes --- reaction mechanism --- quantum chemical calculations --- glyoxalase --- streptomyces --- mycothiol --- metalloenzyme --- AD11 --- nickel-dependent enzyme --- methionine salvage pathway --- methionine --- S-adenosylmethionine (SAM) --- methylthioadenosine (MTA) --- enolase phosphatase 1 (ENOPH1) --- polyamine --- matrix metalloproteinase MT1 (MT1-MMP) --- metalloregulator --- chaperone --- [NiFe]-hydrogenase --- n/a

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The chemistry of nickel in biological systems has been intensely investigated since the discovery of the essential role played by this transition metal in the enzyme urease, ca. 1975. Since then, several nickel-dependent enzymes have been discovered and characterized at the molecular level using structural, spectroscopic, and kinetic methods, and insight into reaction mechanisms has been elaborated using synthetic and computational models. The dual role of nickel as both an essential nutrient and as a toxin has prompted efforts to understand the molecular mechanisms of nickel toxicology and to uncover the means by which cells select nickel from among a pool of different and more readily available metal ions and thus regulate the intracellular chemistry of nickel. This latter effort highlights the importance of proteins involved in the extra- and intra-cellular sensing of nickel, the roles of nickel-selective proteins for import and export, and nickel-responsive transcription factors, all of which are important for regulating nickel homeostasis. In this Special Issue, the contributing authors have covered recent advances in many of these aspects of nickel biochemistry, including toxicology, bacterial pathogenesis, carcinogenesis, computational and synthetic models, nickel trafficking proteins, and enzymology.

Research & information: general --- InrS --- nickel-dependent transcriptional regulators --- molecular modelling --- nickel --- hydrogenase --- urease --- Ni-enzymes --- pathogens --- ncRNA --- miRNA --- lncRNA --- lung carcinogenesis --- histidine-rich protein --- carbon monoxide dehydrogenase --- nickel chaperone --- nickel-induced oligomerization --- urease maturation --- metallochaperone --- G-protein --- conformational change --- bioavailability --- carcinogenicity --- genotoxicity --- allergy --- reproductive --- asthma --- nanoparticles --- ecotoxicity --- environment --- biological nickel sites --- nickel-thiolates --- dinuclear nickel metallopeptides --- thiolate oxidative damage --- nickel enzymes --- reaction mechanism --- quantum chemical calculations --- glyoxalase --- streptomyces --- mycothiol --- metalloenzyme --- AD11 --- nickel-dependent enzyme --- methionine salvage pathway --- methionine --- S-adenosylmethionine (SAM) --- methylthioadenosine (MTA) --- enolase phosphatase 1 (ENOPH1) --- polyamine --- matrix metalloproteinase MT1 (MT1-MMP) --- metalloregulator --- chaperone --- [NiFe]-hydrogenase

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Studying the origin of life is one of man’s greatest achievements over the last sixty years. The fields of interest encompassed by this quest are multiple and interdisciplinary: chemistry, physics, biology, biochemistry, mathematics, geology but also statistics, atmospheric science, meteorology, oceanography, and astrophysics. Recent scientific discoveries, such as water on Mars and the existence of super-Earths with atmospheres similar to primordial Earth, have pushed researchers to simulate prebiotic conditions in explaining the abiotic formation of molecules essential to life. This collection of articles offers an overview of recent discoveries in the field of prebiotic chemistry of biomolecules, their formation and selection, and the evolution of complex chemical systems.

minerals --- n/a --- inosine --- carbamic acid --- prebiotic chemistry --- pentopyranose nucleic acid --- catalysis --- MVC architecture pattern and biological information --- carbon dioxide-ammonia ices --- stability as a selection pressure --- ribozyme and tRNA --- translation and the genetic code --- AnyLogic software for computer simulation of translation machine --- Darwinian evolution --- prebiotic information system --- genetic code origin --- electrochemistry --- coevolution of translation machine and the genetic code --- digit multiplicity --- thermodynamic bottleneck --- abasic oligomers --- selection --- nucleotide stability --- AICAR --- tRNA-synthetase --- hypercycle --- nucleotide oligomerization --- origin of life --- thioester --- dry-wet cycles --- Chemomimesis --- population growth --- tRNA and mRNA --- diversity --- early peptides --- Molecular Darwinism --- tRNA accretion model --- replication --- aldol reaction --- hydrothermal vents --- base pairing --- numerical codons --- abiogenesis --- purine precursor --- peptide/RNA world --- information --- ab initio molecular dynamics --- RNA --- cysteine --- nucleotide and nucleoside synthesis --- thiol-rich peptides --- novel metalloproteins --- transmission --- function --- energy currency --- anharmonicity --- arabinopyranose nucleic acid --- bridge peptide and aaRS --- aminonitriles --- mechanochemistry --- prebiotic polymerization --- origins of life --- encoding --- carbon fixation --- infrared spectra --- phosphoryl transfer --- metabolism --- growth order --- layered double hydroxide (LDH) clay --- molecular clocks --- Monte Carlo --- binary patterned amino acid sequences --- network expansion simulation --- prebiotic soup --- nucleotidyltransferases --- mixed anhydride --- phosphates --- translation --- ribosome --- pentose diphosphate --- monosaccharides --- systems chemistry --- reduction --- imidazoles --- protein design