Determination of Pyruvate Oxidation Rate and Citric Acid Cycle
... that the permeability of the cell membrane is rate-limiting in the oxidation of 2-oxoglutarate. No significant oxidation of other intermediates of the citric acid cycle was found, presumably owing to a low rate of transport of these substances across the cell membrane. ...
... that the permeability of the cell membrane is rate-limiting in the oxidation of 2-oxoglutarate. No significant oxidation of other intermediates of the citric acid cycle was found, presumably owing to a low rate of transport of these substances across the cell membrane. ...
Vitamin B12 deficiency, methylmalonic acidemia
... bonds to four nitrogen atoms in the corrin ring structure. The corrin ring system has structural features in common with the porphyrin ring system but also differs in many respects. The arrow at the bottom of the cobalt atom represents a coordinate covalent bond from a nitrogen atom of the dimethylb ...
... bonds to four nitrogen atoms in the corrin ring structure. The corrin ring system has structural features in common with the porphyrin ring system but also differs in many respects. The arrow at the bottom of the cobalt atom represents a coordinate covalent bond from a nitrogen atom of the dimethylb ...
Characterization of a conformationally sensitive TOAC spin
... represent a superfamily of cell surface integral membrane proteins characterized by having a common template composed by seven membrane-spanning alpha helices joined by hydrophilic loops. These receptors are capable of binding a wide of array of chemically and structurally diverse extracellular liga ...
... represent a superfamily of cell surface integral membrane proteins characterized by having a common template composed by seven membrane-spanning alpha helices joined by hydrophilic loops. These receptors are capable of binding a wide of array of chemically and structurally diverse extracellular liga ...
LITERATURE REVIEW: 1) Citric acid production by Aspergillusniger
... rather than energy. The fungus decides whether the process goes toenergy or instead to an intermediate based upon growth conditions and concentration ofend products. The reason for production of citric acid by native strains of A. nigeris notclear, however several theories have been proposed. Most o ...
... rather than energy. The fungus decides whether the process goes toenergy or instead to an intermediate based upon growth conditions and concentration ofend products. The reason for production of citric acid by native strains of A. nigeris notclear, however several theories have been proposed. Most o ...
Chapter 25 Amino Acids, Peptides, and Proteins
... different electronic environments (one is cis to the C=O bond and the other is trans to the C=O bond), and they therefore give rise to separate signals. At high temperature, there is sufficient energy to overcome the energy barrier, and the protons change electronic environments on a timescale that ...
... different electronic environments (one is cis to the C=O bond and the other is trans to the C=O bond), and they therefore give rise to separate signals. At high temperature, there is sufficient energy to overcome the energy barrier, and the protons change electronic environments on a timescale that ...
Structure-Functional Study of Tyrosine and Methionine Dipeptides
... Oxidative stress plays an important role in the aging processes of living organisms [1–3]. It is associated with excessive production of reactive oxygen species (ROS), which damage biomolecules (lipids, proteins, nucleic acids). The main role in the protection of these biomolecules belongs to enzyme ...
... Oxidative stress plays an important role in the aging processes of living organisms [1–3]. It is associated with excessive production of reactive oxygen species (ROS), which damage biomolecules (lipids, proteins, nucleic acids). The main role in the protection of these biomolecules belongs to enzyme ...
Nucleotide Sequence of fruA, the Gene Specifying Enzyme IIfru of
... instructions. Sequenase was obtained from Cambridge Bioscience. Enzyme I was the generous gift of Professor E. B. Waygood (University of Saskatchewan, Saskatoon, Canada). Construction of episomal gene library. F32-episomal DNA (McFall, 1967)was purified by the method described by Dardel et al. (1984 ...
... instructions. Sequenase was obtained from Cambridge Bioscience. Enzyme I was the generous gift of Professor E. B. Waygood (University of Saskatchewan, Saskatoon, Canada). Construction of episomal gene library. F32-episomal DNA (McFall, 1967)was purified by the method described by Dardel et al. (1984 ...
File - Junior College Chemistry tuition
... An organic liquid Q with molecular formula C5H10O2, shows a broad absorption at 3100–3500cm–1 in the infra–red spectrum. When Q reacts with acidified sodium dichromate(VI) solution under mild conditions, a liquid can be distilled from the reaction mixture. This liquid gives a brick–red precipitate o ...
... An organic liquid Q with molecular formula C5H10O2, shows a broad absorption at 3100–3500cm–1 in the infra–red spectrum. When Q reacts with acidified sodium dichromate(VI) solution under mild conditions, a liquid can be distilled from the reaction mixture. This liquid gives a brick–red precipitate o ...
Lipid Storage Metabolism Is Limited by the
... in the energy state in Arabidopsis seeds after exposing siliques to oxygen concentrations below 12% (v/v) for 2 h in the dark, which was accompanied by a decrease in biosynthetic fluxes to lipids and other storage components (Gibon et al., 2002). Measurements of ambient oxygen tensions in the airspa ...
... in the energy state in Arabidopsis seeds after exposing siliques to oxygen concentrations below 12% (v/v) for 2 h in the dark, which was accompanied by a decrease in biosynthetic fluxes to lipids and other storage components (Gibon et al., 2002). Measurements of ambient oxygen tensions in the airspa ...
Relative Reactivity of Amino Acids with Chlorine
... of chlorine-containing water, or during food preparation with chlorinated water. Since few direct determinations of the initial reactivity of chlorine with amino acids have been made, 17 amino acids were compared in this study using competitive kinetic principles. The experimental results showed tha ...
... of chlorine-containing water, or during food preparation with chlorinated water. Since few direct determinations of the initial reactivity of chlorine with amino acids have been made, 17 amino acids were compared in this study using competitive kinetic principles. The experimental results showed tha ...
"An Introduction to Sequence Similarity ("Homology") Searching". In
... requires j-1 gaps in sequence B, so S(1,j)=(j-1)δ + score(a1 ,bj ). Once the top row and first column are initialized, the entire matrix can be filled following the simple rule shown in Figure 3.1.1, and the score of the best possible alignment of the two sequences is the element in the lower right ...
... requires j-1 gaps in sequence B, so S(1,j)=(j-1)δ + score(a1 ,bj ). Once the top row and first column are initialized, the entire matrix can be filled following the simple rule shown in Figure 3.1.1, and the score of the best possible alignment of the two sequences is the element in the lower right ...
Computational Biology
... Adamian & Liang (2006) Heptad motifs are generally preferred for interacting helix pairs. For left-handed helices, about 94.7% and 92.4% of interacting residues can be mapped to heptad repeats for parallel and anti-parallel helices. For right-handed pairs the number are slightly less. Assume that t ...
... Adamian & Liang (2006) Heptad motifs are generally preferred for interacting helix pairs. For left-handed helices, about 94.7% and 92.4% of interacting residues can be mapped to heptad repeats for parallel and anti-parallel helices. For right-handed pairs the number are slightly less. Assume that t ...
Hydrophobic interactions of phenoxazine modulators with bovine
... experiments. The experiments were performed on a 20 × 1⋅3 cm column of sephadexR G50 fine (Pharmacia) at 22°C, equilibrated with standard buffer solution. The flow rate was maintained at 25 ml/h. BSA solution (20 ml, 1%) containing 1⋅0 × 10–4 M phenoxazine modulator, after incubation at 37°C for 6 h ...
... experiments. The experiments were performed on a 20 × 1⋅3 cm column of sephadexR G50 fine (Pharmacia) at 22°C, equilibrated with standard buffer solution. The flow rate was maintained at 25 ml/h. BSA solution (20 ml, 1%) containing 1⋅0 × 10–4 M phenoxazine modulator, after incubation at 37°C for 6 h ...
Lecture_5_Control_of_glycolysis
... Pyruvate carboxylase functions as a tetramer composed of four identical subunits, and each subunit consists of four domains. The biotin carboxylase domain (BC) catalyzes the formation of carboxyphosphate and the subsequent attachment of CO2 to the second domain, the biotin carboxyl carrier protein ...
... Pyruvate carboxylase functions as a tetramer composed of four identical subunits, and each subunit consists of four domains. The biotin carboxylase domain (BC) catalyzes the formation of carboxyphosphate and the subsequent attachment of CO2 to the second domain, the biotin carboxyl carrier protein ...
Glycogen Metabolism Gluconeogenesis
... • In the “resting” state, Gα is bound to the Gβ-Gγ dimer. Gα contains the nucleotide binding site, holding GDP in the inactive form, and is the “warhead” of the G protein. At least 20 different forms of Ga exist in mammalian cells. • Binding of the extracellular signal by the GPCR causes it to under ...
... • In the “resting” state, Gα is bound to the Gβ-Gγ dimer. Gα contains the nucleotide binding site, holding GDP in the inactive form, and is the “warhead” of the G protein. At least 20 different forms of Ga exist in mammalian cells. • Binding of the extracellular signal by the GPCR causes it to under ...
COORDINATION COMPLEXES OF COBALT
... In this lab, you will synthesize two cobalt coordination complexes, [Co(NH3)5(NO2)]Cl2 and [Co(NH3)5(ONO)]Cl2, and investigate linkage isomerism. Linkage isomerism involves ligands that are capable of bonding through one type of atom in one situation and another type of atom in a different situation ...
... In this lab, you will synthesize two cobalt coordination complexes, [Co(NH3)5(NO2)]Cl2 and [Co(NH3)5(ONO)]Cl2, and investigate linkage isomerism. Linkage isomerism involves ligands that are capable of bonding through one type of atom in one situation and another type of atom in a different situation ...
Enzyme Properties
... A very common situation is one in which for some portion of the time in which a reaction is being monitored, the concentration of the enzyme-substrate complex is nearly constant. Thus in the general reaction E + S ES E + P where E is the enzyme, S is the substrate, ES is the enzyme-substrate com ...
... A very common situation is one in which for some portion of the time in which a reaction is being monitored, the concentration of the enzyme-substrate complex is nearly constant. Thus in the general reaction E + S ES E + P where E is the enzyme, S is the substrate, ES is the enzyme-substrate com ...
Electro-Oxidation of Ethanol and Propanol at Pt and Ti Modified
... prepared electrodes. It was found that [44] addition of Sn to Pt inhibits the decomposition of ethanol to CO, CH4 and C2H6 owing to the suppression of C-C bond cleavage so it reduces the poisoning by CO [9]. Electro-oxidation of ethanol at Pt-Sn/Pt exhibited a higher oxidation current than that at P ...
... prepared electrodes. It was found that [44] addition of Sn to Pt inhibits the decomposition of ethanol to CO, CH4 and C2H6 owing to the suppression of C-C bond cleavage so it reduces the poisoning by CO [9]. Electro-oxidation of ethanol at Pt-Sn/Pt exhibited a higher oxidation current than that at P ...
View/Open
... Ancient Egyptians kept cows for their milk which was consumed as such or processed into other products. There are many drawings that illustrate the milking of cows and milk processing. It is believed that Egyptian fermented milks were some of the oldest known dairy products in the world (Abou-Donia, ...
... Ancient Egyptians kept cows for their milk which was consumed as such or processed into other products. There are many drawings that illustrate the milking of cows and milk processing. It is believed that Egyptian fermented milks were some of the oldest known dairy products in the world (Abou-Donia, ...
Urea Cycle - MBBS Students Club
... • Urea is the major disposal form of amino groups derived from amino acids, and accounts for about 90% of the nitrogencontaining components of urine. One nitrogen of the urea molecule is supplied by free NH3, and the other nitrogen by aspartate. ...
... • Urea is the major disposal form of amino groups derived from amino acids, and accounts for about 90% of the nitrogencontaining components of urine. One nitrogen of the urea molecule is supplied by free NH3, and the other nitrogen by aspartate. ...
Metalloprotein
Metalloprotein is a generic term for a protein that contains a metal ion cofactor. A large number of all proteins are part of this category.