the thyroid and thyroid hormones
... conformationally equivalent, and the 3' iodine of T3 could be oriented either distal (away from) or 5' proximal (closer) to the side chain-bearing ring. Because the activity of compounds such as 3',5-dimethyl-3,5-diiodothyronine had demonstrated that alkyl groups could replace the 3'- and 5'-iodine ...
... conformationally equivalent, and the 3' iodine of T3 could be oriented either distal (away from) or 5' proximal (closer) to the side chain-bearing ring. Because the activity of compounds such as 3',5-dimethyl-3,5-diiodothyronine had demonstrated that alkyl groups could replace the 3'- and 5'-iodine ...
Terpene Biosynthesis
... acetyl-S-enzyme intermediate, or the terminal hydrolysis reaction, but was shown to have defective C–C bond formation. Evidence points to Glu-95 functioning as a general acid in the HMG-CoA synthase reaction. Functional evaluation of 11 invariant amino acids in the enzyme’s active site using sitedir ...
... acetyl-S-enzyme intermediate, or the terminal hydrolysis reaction, but was shown to have defective C–C bond formation. Evidence points to Glu-95 functioning as a general acid in the HMG-CoA synthase reaction. Functional evaluation of 11 invariant amino acids in the enzyme’s active site using sitedir ...
Thin-Layer Chromatography
... Depending on the assay method, HbA1 represent approximately 3-6 % of total hemoglobin in nodiabetics, and as much as 20% or more in poorly controlled people with diabetes. Hemoglobin may become glycated at sites other than the ends of the beta chains, e.g., at lysine residues (HbA0). These modif ...
... Depending on the assay method, HbA1 represent approximately 3-6 % of total hemoglobin in nodiabetics, and as much as 20% or more in poorly controlled people with diabetes. Hemoglobin may become glycated at sites other than the ends of the beta chains, e.g., at lysine residues (HbA0). These modif ...
Analyzing Amino-Acid Sequences
... in an evolutionary sense. Conversely, the greater the time that organisms have been diverging from a common ancestor, the greater the differences that can be expected in the amino-acid sequences of their proteins. Two proteins are commonly studied in attempting to deduce evolutionary relationships f ...
... in an evolutionary sense. Conversely, the greater the time that organisms have been diverging from a common ancestor, the greater the differences that can be expected in the amino-acid sequences of their proteins. Two proteins are commonly studied in attempting to deduce evolutionary relationships f ...
IOSR Journal of Applied Chemistry (IOSR-JAC)
... corresponds to manganese sulphide. A higher decomposition temperature is also indicative of good thermal stability of the complexes and also supports the fact that water present is only coordinated water. The obtained experimental values of % MnS are in good agreement with the theoretical values onc ...
... corresponds to manganese sulphide. A higher decomposition temperature is also indicative of good thermal stability of the complexes and also supports the fact that water present is only coordinated water. The obtained experimental values of % MnS are in good agreement with the theoretical values onc ...
Surface and interface control of noble metal nanocrystals for
... surfactants (e.g., alkylamine, carboxylic acid) on shape control of NM nanocrystals [64,78—97]. For example, several groups have successfully prepared ultrathin Au nanowires in the presence of olyelamine under mild reaction conditions [81—84]. The formation of one-dimensional Au+ —oleylamine complex ...
... surfactants (e.g., alkylamine, carboxylic acid) on shape control of NM nanocrystals [64,78—97]. For example, several groups have successfully prepared ultrathin Au nanowires in the presence of olyelamine under mild reaction conditions [81—84]. The formation of one-dimensional Au+ —oleylamine complex ...
Journal of Bacteriology
... assay of alanine racemase was dependent on two other enzymes, the influence of lack of manganese and ATP on this enzyme was not determined. In the alanine racemase assays of Rosso et al. (18), Berberich et al. (1), and Wijsman (Thesis, Amsterdam, 1970), divalent cations and ATP were absent during th ...
... assay of alanine racemase was dependent on two other enzymes, the influence of lack of manganese and ATP on this enzyme was not determined. In the alanine racemase assays of Rosso et al. (18), Berberich et al. (1), and Wijsman (Thesis, Amsterdam, 1970), divalent cations and ATP were absent during th ...
Origins and Early Evolution of the tRNA Molecule
... do the job of a protein [1]. tRNA, discovered by Paul Zamecnik and collaborators [2], is a literal “adaptor” molecule [3] that mediates the translation of information from messenger RNAs (mRNAs). tRNA was the first non-coding RNA to be discovered. Now, our knowledge of the functions of non-coding RN ...
... do the job of a protein [1]. tRNA, discovered by Paul Zamecnik and collaborators [2], is a literal “adaptor” molecule [3] that mediates the translation of information from messenger RNAs (mRNAs). tRNA was the first non-coding RNA to be discovered. Now, our knowledge of the functions of non-coding RN ...
Characterization of cytochrome P450
... grown in the fields during February to August. The plants were also grown in pots and maintained in the glass house. Leaf material was collected from 5 month old plants for RNA isolation. For wound induction plants were pricked at various parts with the help of syringe and forceps. Immediately after ...
... grown in the fields during February to August. The plants were also grown in pots and maintained in the glass house. Leaf material was collected from 5 month old plants for RNA isolation. For wound induction plants were pricked at various parts with the help of syringe and forceps. Immediately after ...
Molecular Encapsulation - Colin Nuckolls
... molecules. In July of 1996, he moved his research group to The Scripps Research Institute to become the Director of The Skaggs Institute for Chemical Biology, where he continues to work in molecular recognition and self-assembling systems. Fraser Hof was born in Medicine Hat, Alberta, Canada. He obt ...
... molecules. In July of 1996, he moved his research group to The Scripps Research Institute to become the Director of The Skaggs Institute for Chemical Biology, where he continues to work in molecular recognition and self-assembling systems. Fraser Hof was born in Medicine Hat, Alberta, Canada. He obt ...
Reactions of Transition Metal Complexes with Fullerenes (C60, C70
... to the fullerene through some type of bridging arrangement, and (4) the formation of solids in which the fullerene and a metal complex are cocrystallized.21 The last reaction type may involve some degree of charge transfer between the individual components. The survey in Section III reports on the s ...
... to the fullerene through some type of bridging arrangement, and (4) the formation of solids in which the fullerene and a metal complex are cocrystallized.21 The last reaction type may involve some degree of charge transfer between the individual components. The survey in Section III reports on the s ...
... corrosion of metals [10-12]. Phosphonic acids have been widely used as water treatment agents because of their low toxicity, high stability and corrosion inhibition activity in neutral aqueous media [13]. Compounds with a phosphonic functional group are considered to be the most effective chemicals ...
New Organoselenium Methodology - ScholarBlogs
... Although the field of organoselenium chemistry dates back to the 19th century, it did not become a part of the mainstream of organic chemistry until the early 1970s. The apparent turning point came when Sharpless reported a mild method for the conversion of epoxides into allylic alcohols, which made ...
... Although the field of organoselenium chemistry dates back to the 19th century, it did not become a part of the mainstream of organic chemistry until the early 1970s. The apparent turning point came when Sharpless reported a mild method for the conversion of epoxides into allylic alcohols, which made ...
Advanced Structural Inorganic Chemistry (International Union of
... chapters address the formal description of symmetry in the crystalline state and the structures of basic inorganic crystals and some technologically important materials. Part III constitutes about half of the book. It offers a succinct description of the structural chemistry of the elements in the P ...
... chapters address the formal description of symmetry in the crystalline state and the structures of basic inorganic crystals and some technologically important materials. Part III constitutes about half of the book. It offers a succinct description of the structural chemistry of the elements in the P ...
Biosynthesis of theanine (g-ethylamino-L
... incorporation of 15N into theanine in roots increased essentially linearly with incubation time. 15N was also incorporated into theanine in shoots, but at a lower rate than in roots. Incorporation into cotyledons was negligible (Fig. 5A). Rates of incorporation of 15N from [15N]ammonium sulphate int ...
... incorporation of 15N into theanine in roots increased essentially linearly with incubation time. 15N was also incorporated into theanine in shoots, but at a lower rate than in roots. Incorporation into cotyledons was negligible (Fig. 5A). Rates of incorporation of 15N from [15N]ammonium sulphate int ...
The Maillard Reaction
... The Maillard reaction was given its name in honour of Louis-Camille Maillard, who first described it in 1912. It is the reaction between an amino compound, often an amino acid, peptide, or protein, and a carbonyl compound, usually a reducing sugar, such as glucose, fructose, or lactose. Since such c ...
... The Maillard reaction was given its name in honour of Louis-Camille Maillard, who first described it in 1912. It is the reaction between an amino compound, often an amino acid, peptide, or protein, and a carbonyl compound, usually a reducing sugar, such as glucose, fructose, or lactose. Since such c ...
THE MULTIFARIOUS AND DYNAMIC REGULATION OF THE LIVING CELL Karen van Eunen
... Studies of the gene-expression cascade have their roots in the central dogma of molecular biology, first published by Francis Crick in 1958, stating that sequence information is transmitted from DNA via RNA to protein: ‘Once the sequential information has got into protein it cannot get out again’ [7 ...
... Studies of the gene-expression cascade have their roots in the central dogma of molecular biology, first published by Francis Crick in 1958, stating that sequence information is transmitted from DNA via RNA to protein: ‘Once the sequential information has got into protein it cannot get out again’ [7 ...
Evidence for Several Cysteine Transport Mechanisms in the
... We then measured the rate of [35S]cysteine uptake by isolated mitochondria in the first 20 s at 18 different concentrations of external cysteine (0–1,000 mM, Fig. 2C). Within the concentration range tested, cysteine uptake by isolated plant mitochondria displayed at least two phases of kinetics. The ...
... We then measured the rate of [35S]cysteine uptake by isolated mitochondria in the first 20 s at 18 different concentrations of external cysteine (0–1,000 mM, Fig. 2C). Within the concentration range tested, cysteine uptake by isolated plant mitochondria displayed at least two phases of kinetics. The ...
Purification and Characterization of Two Thermostable Proteases
... and Sulfolobus solfataricus [3]. On the one hand, the resistance of C. thermophilum protease to heat inactivation has probably evolved in response to high temperature environment; on the other hand, the thermal stability characteristic of the protease from C. thermophilum makes the enzyme suitable f ...
... and Sulfolobus solfataricus [3]. On the one hand, the resistance of C. thermophilum protease to heat inactivation has probably evolved in response to high temperature environment; on the other hand, the thermal stability characteristic of the protease from C. thermophilum makes the enzyme suitable f ...
Some pyridoxal analogs and their transamination with amino acids
... forms^ is the catalysis of the transamination of alpha-amino acids and alpha-keto acids, a key reaction in nitrogen meta bolism. An object of this study has been to learn more about the detailed action of vitamin Bg-dependent enzymes on amino acids by inference from studies of nonenzymic reactions ...
... forms^ is the catalysis of the transamination of alpha-amino acids and alpha-keto acids, a key reaction in nitrogen meta bolism. An object of this study has been to learn more about the detailed action of vitamin Bg-dependent enzymes on amino acids by inference from studies of nonenzymic reactions ...
Document
... Fats are constructed from two types of smaller molecules: glycerol and fatty acids Glycerol is a three-carbon alcohol with a hydroxyl group attached to each carbon A fatty acid consists of a carboxyl group attached to a long carbon skeleton ...
... Fats are constructed from two types of smaller molecules: glycerol and fatty acids Glycerol is a three-carbon alcohol with a hydroxyl group attached to each carbon A fatty acid consists of a carboxyl group attached to a long carbon skeleton ...
PDF (Free)
... Titanium (Ti) is widely used in various fields because of its excellent properties such as high strength to density ratio and high corrosion resistance; in addition, titanium is the ninth most abundant element on the Earth’s crust.1) However, titanium is still used to a much lesser extent than iron ( ...
... Titanium (Ti) is widely used in various fields because of its excellent properties such as high strength to density ratio and high corrosion resistance; in addition, titanium is the ninth most abundant element on the Earth’s crust.1) However, titanium is still used to a much lesser extent than iron ( ...
Document
... The role of proinsulin seems to be con- extrusion by exocytosis (Rubenstein et al., fined mainly to the biosynthetic process 1969). The C-peptide contains all the since most of it is converted to insulin be- additional amino acids of proinsulin aside fore secretion occurs. However, small from the pa ...
... The role of proinsulin seems to be con- extrusion by exocytosis (Rubenstein et al., fined mainly to the biosynthetic process 1969). The C-peptide contains all the since most of it is converted to insulin be- additional amino acids of proinsulin aside fore secretion occurs. However, small from the pa ...
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.