Cress and Potato Soluble Epoxide Hydrolases
... for the one-step purification to homogeneity of recombinant soluble epoxide hydrolases (sEHs) from cress and potato. The enzymes are monomeric, with masses of 36 and 39 kDa and pI values of 4.5 and 5.0, respectively. In spite of a large difference in sequence, the two plant enzymes have properties o ...
... for the one-step purification to homogeneity of recombinant soluble epoxide hydrolases (sEHs) from cress and potato. The enzymes are monomeric, with masses of 36 and 39 kDa and pI values of 4.5 and 5.0, respectively. In spite of a large difference in sequence, the two plant enzymes have properties o ...
A novel zinc-dependent D-serine dehydratase
... physiological functions. For example, D-aspartate has been found in the mammalian central nervous system and endocrine tissues and has been suggested to be involved in the regulation of hormone release [1,2] and melatonin [3] and testosterone syntheses [4]. DSerine occurs primarily in the mammalian ...
... physiological functions. For example, D-aspartate has been found in the mammalian central nervous system and endocrine tissues and has been suggested to be involved in the regulation of hormone release [1,2] and melatonin [3] and testosterone syntheses [4]. DSerine occurs primarily in the mammalian ...
What if you could select some of the most effective
... uptake into the brain. Secondly, tryptophan must compete with other amino acids for entry into the brain. Finally, tryptophan may be taken up by other tissues for protein or niacin synthesis, and thus is not exclusively for use by the brain. As a metabolic intermediate in the conversion of tryptopha ...
... uptake into the brain. Secondly, tryptophan must compete with other amino acids for entry into the brain. Finally, tryptophan may be taken up by other tissues for protein or niacin synthesis, and thus is not exclusively for use by the brain. As a metabolic intermediate in the conversion of tryptopha ...
The pool of ADP and ATP regulates anaerobic
... Lactococcus lactis grows homofermentatively on glucose, while its growth on maltose under anaerobic conditions results in mixed acid product formation in which formate, acetate, and ethanol are formed in addition to lactate. Maltose was used as a carbon source to study mixed acid product formation a ...
... Lactococcus lactis grows homofermentatively on glucose, while its growth on maltose under anaerobic conditions results in mixed acid product formation in which formate, acetate, and ethanol are formed in addition to lactate. Maltose was used as a carbon source to study mixed acid product formation a ...
Hydrothermal experiments in the system citric acid, H2O-( FeS)
... may have operated as the first membrane, solving the compartmentalization problem (i.e., proto-membrane) as well as providing a useful primordial catalyst. Primordial carbon fixation has been proposed by Wächtershäuser (1988a, 1990, 1992), Russell and Hall (1997), and Morowitz et al. (2000) to be ...
... may have operated as the first membrane, solving the compartmentalization problem (i.e., proto-membrane) as well as providing a useful primordial catalyst. Primordial carbon fixation has been proposed by Wächtershäuser (1988a, 1990, 1992), Russell and Hall (1997), and Morowitz et al. (2000) to be ...
Regulation of Acetyl-Coenzyme A Carboxylase and
... m easured according to K uhn et al. [13]. C ontrol sam ples contained neither CoA nor ATP, both of w hich were essential for high rates o f [ l - 14C ]acetate adsorption to the charcoal. Assay o f acetvl-CoA carboxylase Acetyl CoA carboxylase activity in chloroplasts was measured as an acetyl-C oA - ...
... m easured according to K uhn et al. [13]. C ontrol sam ples contained neither CoA nor ATP, both of w hich were essential for high rates o f [ l - 14C ]acetate adsorption to the charcoal. Assay o f acetvl-CoA carboxylase Acetyl CoA carboxylase activity in chloroplasts was measured as an acetyl-C oA - ...
Regulation of Acetyl-Coenzyme A Carboxylase and Acetyl
... m easured according to K uhn et al. [13]. C ontrol sam ples contained neither CoA nor ATP, both of w hich were essential for high rates o f [ l - 14C ]acetate adsorption to the charcoal. Assay o f acetvl-CoA carboxylase Acetyl CoA carboxylase activity in chloroplasts was measured as an acetyl-C oA - ...
... m easured according to K uhn et al. [13]. C ontrol sam ples contained neither CoA nor ATP, both of w hich were essential for high rates o f [ l - 14C ]acetate adsorption to the charcoal. Assay o f acetvl-CoA carboxylase Acetyl CoA carboxylase activity in chloroplasts was measured as an acetyl-C oA - ...
Transamination and Reductive Amination
... glucose to gluconic acid. While the equilibrium position strongly favors formation of amino acids from keto acids, amino acids can also be deaminated to keto acids if the coupled regeneration reactions provide the driving force. Recently, amine dehydrogenases, which reductively aminate ketones to am ...
... glucose to gluconic acid. While the equilibrium position strongly favors formation of amino acids from keto acids, amino acids can also be deaminated to keto acids if the coupled regeneration reactions provide the driving force. Recently, amine dehydrogenases, which reductively aminate ketones to am ...
Pineapple Juice and Its Fractions in Enzymatic Browning Inhibition
... polyphenol oxidase (PPO) in the presence of oxygen. Subsequently, these quinones condense and react nonenzymatically with other substances such as phenolic compounds and amino acids to produce complex brown polymers. PPO (1.14.18.1) is also known as tyrosinase, o-diphenol oxidase, or catechol oxidas ...
... polyphenol oxidase (PPO) in the presence of oxygen. Subsequently, these quinones condense and react nonenzymatically with other substances such as phenolic compounds and amino acids to produce complex brown polymers. PPO (1.14.18.1) is also known as tyrosinase, o-diphenol oxidase, or catechol oxidas ...
Studies on the key amino acid residues responsible for the alkali
... It is well accepted that hydrolysis of xylan by xylanases occurs by a double displacement reaction. This mechanism involves two catalytic residues: one functions as a general acid or a general base, while the other acts as a nucleophile [17]. Some of the conserved amino acid residues in the neighbor ...
... It is well accepted that hydrolysis of xylan by xylanases occurs by a double displacement reaction. This mechanism involves two catalytic residues: one functions as a general acid or a general base, while the other acts as a nucleophile [17]. Some of the conserved amino acid residues in the neighbor ...
Inhibitors are structural analogs of true substrate
... it is introduced into a human organism. Blood test revealed a large amount of lysolecithin (lysophosphatidylcholine). What enzyme leads to accumulating lysolecithin in blood? Universal system of biological oxidation of nonpolar compounds (numerous drugs, toxic agents, steroid hormones, cholesterol) ...
... it is introduced into a human organism. Blood test revealed a large amount of lysolecithin (lysophosphatidylcholine). What enzyme leads to accumulating lysolecithin in blood? Universal system of biological oxidation of nonpolar compounds (numerous drugs, toxic agents, steroid hormones, cholesterol) ...
Activation and Stabilization of Penicillin V Acylase from
... also enhanced PVA activity but to lower extents. This behavior may be attributed to the nucleophilicity of the polyols, which depends on their chemical structures (Figure 2). As a matter of fact, there may be higher or lower PVA activation depending on their nucleophilicity in the following trend: e ...
... also enhanced PVA activity but to lower extents. This behavior may be attributed to the nucleophilicity of the polyols, which depends on their chemical structures (Figure 2). As a matter of fact, there may be higher or lower PVA activation depending on their nucleophilicity in the following trend: e ...
Adult Refsum Disease: A Form of Tapetoretinal Dystrophy
... be useful), an impaired sense of smell, neurological changes, loss of hearing, skin changes, and, in severe polysymptomatic cases, cardiac rhythm disorders. Known RP-patients should be asked whether such symptoms have emerged. In cases of RP, where no X-linked or dominant inheritance pattern is evid ...
... be useful), an impaired sense of smell, neurological changes, loss of hearing, skin changes, and, in severe polysymptomatic cases, cardiac rhythm disorders. Known RP-patients should be asked whether such symptoms have emerged. In cases of RP, where no X-linked or dominant inheritance pattern is evid ...
RHODODENDRON ARBOREUM: AN OVERVIEW
... due to increased absorption of water and electrolytes. The EFRA suppressed the propulsive movement or gastrointestinal transit of charcoal meal which clearly indicates that extract may be capable of reducing the frequency of stools in diarrhoeal conditions. The extract inhibits gastrointestinal moti ...
... due to increased absorption of water and electrolytes. The EFRA suppressed the propulsive movement or gastrointestinal transit of charcoal meal which clearly indicates that extract may be capable of reducing the frequency of stools in diarrhoeal conditions. The extract inhibits gastrointestinal moti ...
1 High resolution metabolomics with acyl
... of 5 l from the same vial was done after 0, 3, 6, 9, 12 and 24 hrs after reconstitution. Sample preparation for LC-MS analysis- Samples (as a dry pellet) are reconstituted into solvent in batches (20-30 samples per batch), and analyzed as soon as possible once they are dissolved into solvent. For s ...
... of 5 l from the same vial was done after 0, 3, 6, 9, 12 and 24 hrs after reconstitution. Sample preparation for LC-MS analysis- Samples (as a dry pellet) are reconstituted into solvent in batches (20-30 samples per batch), and analyzed as soon as possible once they are dissolved into solvent. For s ...
Introduction to Carbohydrates
... β-Oxidation of VLCFA and α-oxidation of branched-chain fatty acids occurs in peroxisomes. Liver mitochondria can convert acetyl CoA derived from fatty acid oxidation into the ketone bodies, acetoacetate and 3hydroxybutyrate. Peripheral tissues possessing mitochondria can oxidize 3hydroxybutyra ...
... β-Oxidation of VLCFA and α-oxidation of branched-chain fatty acids occurs in peroxisomes. Liver mitochondria can convert acetyl CoA derived from fatty acid oxidation into the ketone bodies, acetoacetate and 3hydroxybutyrate. Peripheral tissues possessing mitochondria can oxidize 3hydroxybutyra ...
On the role of gut microbiota in intestinal physiology and
... mammalian gut, has coevolved with us for ample time providing mutual benefits. However, mechanistic knowledge of these has been limited, but are now becoming increasingly clear. We used germ-free mice to study three aspects of host physiology; the effects of the microbiota on small intestinal postna ...
... mammalian gut, has coevolved with us for ample time providing mutual benefits. However, mechanistic knowledge of these has been limited, but are now becoming increasingly clear. We used germ-free mice to study three aspects of host physiology; the effects of the microbiota on small intestinal postna ...
Carbonic Anhydrase: Breathe in, Breathe Out
... the second leading cause of blindness. This disorder can be treated with inhibitors of the enzyme that prevent over-secretion of fluid that presses on the optic nerve. Carbonic anhydrase inhibitors are also used to treat ulcers, neurological disorders, and osteoporosis. ...
... the second leading cause of blindness. This disorder can be treated with inhibitors of the enzyme that prevent over-secretion of fluid that presses on the optic nerve. Carbonic anhydrase inhibitors are also used to treat ulcers, neurological disorders, and osteoporosis. ...
Decreased Complete Oxidation Capacity of Fatty Acid in the Liver of
... we observed that the expression of acetyl-Coenzyme A acetyltransferase 2 and 3-hydroxyacyl-CoA dehydrogenase type-2, those enzymes involved in fatty acid degradation, were decreased in the liver tissues of ketotic cows, which suggested that the ability to utilize fatty acids to produce CO2, H2O and ...
... we observed that the expression of acetyl-Coenzyme A acetyltransferase 2 and 3-hydroxyacyl-CoA dehydrogenase type-2, those enzymes involved in fatty acid degradation, were decreased in the liver tissues of ketotic cows, which suggested that the ability to utilize fatty acids to produce CO2, H2O and ...
Gene Section CYP2A6 (cytochrome P450, family 2, subfamily A, polypeptide 6)
... CYP2A6 shows large interindividual and interethnic variations in its expression levels and conversion activities, which are mainly attributed to CYP2A6 genetic polymorphisms. These alleles are derived from single nucleotide polymorphisms in the regulatory and coding regions, deletion mutations and c ...
... CYP2A6 shows large interindividual and interethnic variations in its expression levels and conversion activities, which are mainly attributed to CYP2A6 genetic polymorphisms. These alleles are derived from single nucleotide polymorphisms in the regulatory and coding regions, deletion mutations and c ...
Amino Acid Sequences containing Cysteine or Cystine Residues in
... Ovalbumin isolated from eggs of the Japanese quail, C. c. japonica, was subjected to limited proteolysis by subtilisin to give plakalbumin and then fractionated on Sephadex G75 in acid-urea to give plakalbumin S-protein and S-peptide. The plakalbumin peptide was recovered, oxidized with performic ac ...
... Ovalbumin isolated from eggs of the Japanese quail, C. c. japonica, was subjected to limited proteolysis by subtilisin to give plakalbumin and then fractionated on Sephadex G75 in acid-urea to give plakalbumin S-protein and S-peptide. The plakalbumin peptide was recovered, oxidized with performic ac ...
The KIebsieIIa pneumoniae cytochrome bd
... severely impaired in the presence of low concentrations of oxygen compared with the wild-type bacterium. Only the wild-type organism was capable of microaerobic nitrogenase activity supported by fermentation products. It is proposed that formate dehydrogenase-0may be involved in supplying electrons ...
... severely impaired in the presence of low concentrations of oxygen compared with the wild-type bacterium. Only the wild-type organism was capable of microaerobic nitrogenase activity supported by fermentation products. It is proposed that formate dehydrogenase-0may be involved in supplying electrons ...
European Journal of Biochemistry
... fluidity of the outer membrane at lower temperatures was introduced by lowering the growth temperature of the cells from 37 "C to 12 "C, since it is known that thereby the relative amount of unsaturated fatty acids of the phospholipids is increased [29-311. This temperature shift did not significant ...
... fluidity of the outer membrane at lower temperatures was introduced by lowering the growth temperature of the cells from 37 "C to 12 "C, since it is known that thereby the relative amount of unsaturated fatty acids of the phospholipids is increased [29-311. This temperature shift did not significant ...
Nomenclature and Symbolism for Amino Acids and Peptides
... The traditional and well-known names of the common a-amino acids were, in general, given to them by their discoverers and bear no relationship to their chemical structures [l, 21. The modification of these names to accommodate derivatives and to designate configuration was codified in 1947 [3] and r ...
... The traditional and well-known names of the common a-amino acids were, in general, given to them by their discoverers and bear no relationship to their chemical structures [l, 21. The modification of these names to accommodate derivatives and to designate configuration was codified in 1947 [3] and r ...
... unit of collagen is tropocollagen, a rod-shaped protein consisting of three polypeptides unit (called α-chains) intertwined to form a triple-helical structure [1]. Each polypeptide chain forms a left-handed helix and consists of repeating triplets, (Gly-X-Y)n, where X and Y are, with a high possibil ...