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Anesthesia in a Child with Pyruvate Dehydrogenase Deficiency: A
... Pyruvate dehydrogenase complex (PDHC) deficiency is an ×-linked mutation causing deficiencies of pyruvate dehydrogenase phosphatase that results in elevated lactic acid and is aggravated by carbohydrates. The enzyme pyruvate dehydrogenase has some activity in the later childhood onset category, thus ...
... Pyruvate dehydrogenase complex (PDHC) deficiency is an ×-linked mutation causing deficiencies of pyruvate dehydrogenase phosphatase that results in elevated lactic acid and is aggravated by carbohydrates. The enzyme pyruvate dehydrogenase has some activity in the later childhood onset category, thus ...
Enzyme Properties
... Sugars with at least four carbons can readily interconvert between the openchain forms we have drawn and fivemembered(furanose) or six-membered (pyranose) ring forms in which the carbonyl oxygen becomes part of the ring There are no C=O bonds in the ring forms ...
... Sugars with at least four carbons can readily interconvert between the openchain forms we have drawn and fivemembered(furanose) or six-membered (pyranose) ring forms in which the carbonyl oxygen becomes part of the ring There are no C=O bonds in the ring forms ...
Translating the basic knowledge of mitochondrial functions to
... (FA) metabolism through the Krebs cycle and the process of oxidative phosphorylation (OXPHOS).1 The metabolism of FA and glucose involves the breakdown of these molecules by beta-oxidation and glycolysis, followed by the entry of the resulting intermediary metabolites into the Krebs cycle. Although ...
... (FA) metabolism through the Krebs cycle and the process of oxidative phosphorylation (OXPHOS).1 The metabolism of FA and glucose involves the breakdown of these molecules by beta-oxidation and glycolysis, followed by the entry of the resulting intermediary metabolites into the Krebs cycle. Although ...
L-Methylfolate: A Vitamin for Your Monoamines
... • Documented low levels of MTHFR (methylene tetrahydrofolate reductase) or being from a group (Hispanic and Mediterranean populations) at high risk for decreased levels of this enzyme • Documented high homocysteine levels, which tend to rise when folate falls • Drugs that can interfere with folate c ...
... • Documented low levels of MTHFR (methylene tetrahydrofolate reductase) or being from a group (Hispanic and Mediterranean populations) at high risk for decreased levels of this enzyme • Documented high homocysteine levels, which tend to rise when folate falls • Drugs that can interfere with folate c ...
Vitamin - definition
... • An organic compound required as a nutrient in tiny amounts by an organisms. • It cannot be synthesized in sufficient quantities by an organism, and must be obtained from the diet. • Vitamins have diverse biological function: – hormone-like functions as regulators of mineral metabolism (vit. D), – ...
... • An organic compound required as a nutrient in tiny amounts by an organisms. • It cannot be synthesized in sufficient quantities by an organism, and must be obtained from the diet. • Vitamins have diverse biological function: – hormone-like functions as regulators of mineral metabolism (vit. D), – ...
Basics on Protein Structure Building Blocks: Amino Acids
... - Software Tools for Computational Biology - ...
... - Software Tools for Computational Biology - ...
genetic code: a new understanding of codon
... glycine type (with only G amino acid), proline type (only P), valine type (V & I) and alanine type (the rest of 16 AAs, each amino acid with a H-C-H “screen” between the “head” and “body”, i.e. side chain; the exception is threonine with an H-C-CH3 “screen”). The appearance of glycine corresponds to ...
... glycine type (with only G amino acid), proline type (only P), valine type (V & I) and alanine type (the rest of 16 AAs, each amino acid with a H-C-H “screen” between the “head” and “body”, i.e. side chain; the exception is threonine with an H-C-CH3 “screen”). The appearance of glycine corresponds to ...
Upgrading the Hemicellulosic Fraction of Biomass into Biofuel
... 2 ASSIMILATION OF PENTOSES BY MICROORGANISMS Glucose is the most common carbon source for microorganisms. Since it constitutes the building block of starch; glucose is utilised by many species such as Escherichia ...
... 2 ASSIMILATION OF PENTOSES BY MICROORGANISMS Glucose is the most common carbon source for microorganisms. Since it constitutes the building block of starch; glucose is utilised by many species such as Escherichia ...
Simple Models of the Protein Folding Problem
... and regulation, and immune response. A protein consists of a chain of amino acids whose sequence is determined by the information in DNA/RNA. There are 20 natural amino acids nature uses to make up proteins. These differ in size and other physical and chemical properties. The most important differen ...
... and regulation, and immune response. A protein consists of a chain of amino acids whose sequence is determined by the information in DNA/RNA. There are 20 natural amino acids nature uses to make up proteins. These differ in size and other physical and chemical properties. The most important differen ...
Galguard Trident - In
... • It is free from halogenated or phenolic molecules • The preservation technology is based on phenoxy ethanol and lipidated glycines, namely, N-capryloyl glycine and N-undecylenoyl glycine ...
... • It is free from halogenated or phenolic molecules • The preservation technology is based on phenoxy ethanol and lipidated glycines, namely, N-capryloyl glycine and N-undecylenoyl glycine ...
Products for Solid State NMR - Sigma
... example relate to larger membrane proteins14,15. In addition, block labeling16,17 as well as reverse18 labeling strategies have successfully been used in ssNMR. In these experiments, a dedicated set of amino-acid precursors or amino acids is used during expression. The combination of such measures w ...
... example relate to larger membrane proteins14,15. In addition, block labeling16,17 as well as reverse18 labeling strategies have successfully been used in ssNMR. In these experiments, a dedicated set of amino-acid precursors or amino acids is used during expression. The combination of such measures w ...
Differences in the amino acid composition of muscles from pheasant
... acids analysed occurred in breast muscles from pheasants at a higher level as compared with broiler chickens. These differences were tested statistically highly significant (P ≤ 0.01). In the case of phenylalanine and lysine, the difference between the levels found in breast muscles of pheasants and ...
... acids analysed occurred in breast muscles from pheasants at a higher level as compared with broiler chickens. These differences were tested statistically highly significant (P ≤ 0.01). In the case of phenylalanine and lysine, the difference between the levels found in breast muscles of pheasants and ...
Photometric Detection of Nicotinamide Adenine Dinucleotides
... Redox Functions: Nicotinamide adenine dinucleotide is an essential part of cell metabolism. In rat liver, the total amount of NAD+ and NADH is approximately 1 μmol-1 g wet weight, with about 10-fold less NADP+ and NADPH. The actual concentration of NAD + in cell cytoplasm is hard to measure, with re ...
... Redox Functions: Nicotinamide adenine dinucleotide is an essential part of cell metabolism. In rat liver, the total amount of NAD+ and NADH is approximately 1 μmol-1 g wet weight, with about 10-fold less NADP+ and NADPH. The actual concentration of NAD + in cell cytoplasm is hard to measure, with re ...
Fermentation of lignocellulosic material
... The organism in focus in this research work was Saccharomyces cerevisiae, more commonly known as “baker’s yeast.” It has been shown that S. cerevisiae have a greater potential to produce ethanol if adapted to the fermentation media prior to fermentation (Alkasrawi et al., 2006; Kadar et al., 2007; P ...
... The organism in focus in this research work was Saccharomyces cerevisiae, more commonly known as “baker’s yeast.” It has been shown that S. cerevisiae have a greater potential to produce ethanol if adapted to the fermentation media prior to fermentation (Alkasrawi et al., 2006; Kadar et al., 2007; P ...
Predicting the Secondary Structure of Globular Proteins Using
... local information in the protein sequence is likely to produce significantly better results for non-homologous proteins. The performance of our method of homologous proteins is much better than for non-homologous proteins, but is not as good as simply assuming that homologous sequences have identica ...
... local information in the protein sequence is likely to produce significantly better results for non-homologous proteins. The performance of our method of homologous proteins is much better than for non-homologous proteins, but is not as good as simply assuming that homologous sequences have identica ...
TIBS review article by Killian & Heijne
... the C termini are blocked with either ethanolamine or amide. The flanking residues W and K are highlighted in red and green, respectively. (b) Model of the effect of decreasing the relative length of WALP and KALP peptides. The peptides are drawn as rectangles in which the gray areas represent the h ...
... the C termini are blocked with either ethanolamine or amide. The flanking residues W and K are highlighted in red and green, respectively. (b) Model of the effect of decreasing the relative length of WALP and KALP peptides. The peptides are drawn as rectangles in which the gray areas represent the h ...
Analysis of the bipartite networks of domain compositions and
... protein domain families and metabolic reactions. An edge in G1 from domain A to reaction B denotes that A appears in enzymes catalyzing B. Similar to other biological networks, G1 exhibits a power-law distribution in their connectivity. Table 1 lists the top 10 highly connected domains and reactions ...
... protein domain families and metabolic reactions. An edge in G1 from domain A to reaction B denotes that A appears in enzymes catalyzing B. Similar to other biological networks, G1 exhibits a power-law distribution in their connectivity. Table 1 lists the top 10 highly connected domains and reactions ...
A Quaternion-Based Definition of Protein
... Local Helical Axes • The quaternion difference describes how one gets from one frame to the next. This is the local helical axis. ...
... Local Helical Axes • The quaternion difference describes how one gets from one frame to the next. This is the local helical axis. ...
Лекция 2. Структура и функция белка
... consider the structure of the macromolecules and supramolecular complexes derived from them. An overriding theme is that the polymeric macromolecules in living systems, though large, are highly ordered chemical entities, with specific sequences of monomeric subunits giving rise to discrete structure ...
... consider the structure of the macromolecules and supramolecular complexes derived from them. An overriding theme is that the polymeric macromolecules in living systems, though large, are highly ordered chemical entities, with specific sequences of monomeric subunits giving rise to discrete structure ...
Ammonia (plasma, blood) - Association for Clinical Biochemistry
... Ammonia has the formula NH3. At physiological pH, 97% is present in the blood in its ionised form, ammonium (NH4+). ...
... Ammonia has the formula NH3. At physiological pH, 97% is present in the blood in its ionised form, ammonium (NH4+). ...
Sulfite Oxidase Activity Is Essential for Normal Sulfur, Nitrogen and
... It is commonly assumed that sulfur (S), carbon (C) and nitrogen (N) pathways should be well coordinated in order to maintain the production of S-amino acids in plants [1]. However, C:N:S ratio disruption could also lead to alterations of other metabolic processes, as shown with sulfur starvation tha ...
... It is commonly assumed that sulfur (S), carbon (C) and nitrogen (N) pathways should be well coordinated in order to maintain the production of S-amino acids in plants [1]. However, C:N:S ratio disruption could also lead to alterations of other metabolic processes, as shown with sulfur starvation tha ...
INITIAL ASSESSMENT REPORT PROPOSAL P276 Review of
... derived from the corresponding source or sources specified in the Table. For enzymes derived from microbial source, the microbial source organism may contain additional copies of genes from the same organism. A food additive is defined in Standard 1.3.1 – Food Additives as follows: ...
... derived from the corresponding source or sources specified in the Table. For enzymes derived from microbial source, the microbial source organism may contain additional copies of genes from the same organism. A food additive is defined in Standard 1.3.1 – Food Additives as follows: ...
Metabolic acidosis
... (mostly sulfuric acid derived from the metabolism of sulfur-containing amino acids) are produced. Acid-base balance is maintained by normal pulmonary and renal excretion of carbon dioxide and acid, respectively. Renal excretion of acid involves the combination of hydrogen ions with urinary titra ...
... (mostly sulfuric acid derived from the metabolism of sulfur-containing amino acids) are produced. Acid-base balance is maintained by normal pulmonary and renal excretion of carbon dioxide and acid, respectively. Renal excretion of acid involves the combination of hydrogen ions with urinary titra ...
Metabolism
![](https://commons.wikimedia.org/wiki/Special:FilePath/ATP-3D-vdW.png?width=300)
Metabolism (from Greek: μεταβολή metabolē, ""change"") is the set of life-sustaining chemical transformations within the cells of living organisms. These enzyme-catalyzed reactions allow organisms to grow and reproduce, maintain their structures, and respond to their environments. The word metabolism can also refer to all chemical reactions that occur in living organisms, including digestion and the transport of substances into and between different cells, in which case the set of reactions within the cells is called intermediary metabolism or intermediate metabolism.Metabolism is usually divided into two categories: catabolism, the breaking down of organic matter by way of cellular respiration, and anabolism, the building up of components of cells such as proteins and nucleic acids. Usually, breaking down releases energy and building up consumes energy.The chemical reactions of metabolism are organized into metabolic pathways, in which one chemical is transformed through a series of steps into another chemical, by a sequence of enzymes. Enzymes are crucial to metabolism because they allow organisms to drive desirable reactions that require energy that will not occur by themselves, by coupling them to spontaneous reactions that release energy. Enzymes act as catalysts that allow the reactions to proceed more rapidly. Enzymes also allow the regulation of metabolic pathways in response to changes in the cell's environment or to signals from other cells.The metabolic system of a particular organism determines which substances it will find nutritious and which poisonous. For example, some prokaryotes use hydrogen sulfide as a nutrient, yet this gas is poisonous to animals. The speed of metabolism, the metabolic rate, influences how much food an organism will require, and also affects how it is able to obtain that food.A striking feature of metabolism is the similarity of the basic metabolic pathways and components between even vastly different species. For example, the set of carboxylic acids that are best known as the intermediates in the citric acid cycle are present in all known organisms, being found in species as diverse as the unicellular bacterium Escherichia coli and huge multicellular organisms like elephants. These striking similarities in metabolic pathways are likely due to their early appearance in evolutionary history, and their retention because of their efficacy.