Acides aminés (AA)

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H-Asp-Trp-OH is a peptide that has been shown to have antioxidative activity and neuroprotective effects. It has also been shown to be a reactive compound that can interact with other molecules, such as thiobarbituric acid. H-Asp-Trp-OH has been shown to increase the number of neurons in the brain and may be helpful in reducing neuronal damage by apoptotic cell death. This peptide also has potential use in treating neurodegenerative diseases, such as Alzheimer's disease.

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Fmoc-Cys(NPys)-OH is a disulfide with a cyclic structure that can be used in the synthesis of peptides. It reacts efficiently with thiols to form stable, covalent bonds and can be used as an efficient ligation reagent for cyclic peptides. Fmoc-Cys(NPys)-OH is also useful for the synthesis of biomolecules because it has a systematic nature and does not react with other reactive groups on the molecule. It has been shown to have high reactivity towards oxytocin, which is important for its function in triggering labor contractions.

Methyl 6-methylnicotinate is a synthetic compound that has been shown to have cholinergic properties. It is an oxidation catalyst that can be used in the synthesis of methyl nicotinate, which is a drug for the treatment of influenza virus. Methyl 6-methylnicotinate also has been shown to inhibit the replication of influenza virus in vitro and in vivo. Methyl 6-methylnicotinate inhibits viral growth by binding to the antigenic site on hemagglutinin, preventing it from attaching to host cells. This compound also has been shown to inhibit the release of chloride ions in animal models and inhibits neuromuscular transmission. The molecular modeling studies revealed that methyl 6-methylnicotinate binds with high affinity to the active site of acetylcholinesterase enzyme and is able to form a covalent bond with its serine residue, thereby inhibiting its activity.

H-Phe-Met-OH is a postulated, synthetic, odorant binding molecule that has been reported to have high specificity for leukemia cells. H-Phe-Met-OH binds specifically to the surface of leukemia cells and stabilizes them. It also potentiates the effect of other drugs used in leukemia therapy. These properties make it an ideal candidate for developing new treatments for leukemias.

H-Met-Gly-Gly-OH is a tripeptide that has been synthesized and is used in microassays to measure the activity of methionine aminopeptidase. This enzyme hydrolyzes peptides with N-terminal amino acids such as methionine, which are derived from proteins. The activity of methionine aminopeptidase can be determined by measuring the release of H2O2, which is proportional to the concentration of peptides in the sample. The assay measures the change in absorbance at 340 nm on a spectrophotometer as a result of H2O2 production.

Acetylation is the process of reacting an organic compound with acetic acid to produce an ester and water. Acetylation is one of the most common reactions in organic chemistry. Acetylating agents, such as acetic anhydride or acetyl chloride, are often used in chemical synthesis because they react selectively with primary and secondary alcohols to form esters. The acetylation reaction can be used to modify proteins by attaching an acetyl group to the amine group of a lysine residue. This modification prevents the protein from binding to other proteins and can alter its function. Acetylation also has been implicated in several diseases, such as hepatitis and inflammatory bowel disease.

FA-Ala-Lys-OH is a lysine derivative with a molecular weight of 243.2 daltons and a pKa of 6.5. It has been shown to be biologically active in humans and animals, and can be used as an amino acid supplement for patients with liver disease or kidney failure who require dialysis. FA-Ala-Lys-OH binds to the creatine kinase receptor on the surface of cells and causes cell lysis, which may be due to its ability to bind to the enzyme's allosteric site. This compound also has anti-viral properties, inhibiting the growth of recombinant virus mcf-7 in vitro by binding to erythrocyte membranes and disrupting protein synthesis. The 6-Fluoro-3-indoxyl beta D galactopyranoside is an antituberculosis drugs that belongs to the class of rifamycins. Rifapentine inhibits bacterial

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Pz-Pro-Leu-OH is a proteolytic enzyme that cleaves proteins by hydrolysis at the peptide bond. It has been shown to be active against Clostridium and has been used in colorimetric methods for the measurement of this bacterium. Pz-Pro-Leu-OH is produced by subtilisin, which is expressed in Escherichia coli. The amount of this enzyme can be monitored and optimized by cloning. Thermolysin, another protease, also cleaves proteins at the peptide bond and has been used to measure the activity of Pz-Pro-Leu-OH.

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Peptide YY (3-36) (human) trifluoroacetate salt H-Ile-Lys-Pro-Glu-Ala-Pro-Gly-Glu-Asp-Ala-Ser-Pro-Glu-Glu-Leu-Asn -Arg -Tyr -Tyr -Ala -Ser -Leu -Arg
Peptide YY (3.36) is a peptide hormone that is secreted by L cells in the small intestine and colon. It has been shown to be an effective treatment for obesity, type 2 diabetes, and other metabolic disorders. Peptide YY (3.36) has been shown to increase insulin sensitivity, reduce food intake and body weight, increase metabolic rate, and improve glucose homeostasis in animal studies. In humans, it has been found to have similar effects on postprandial plasma levels of peptide YY (3.

Methyl-L-tyrosinate is a drug that has been shown to increase the activity of tyrosinase, an enzyme involved in the production of melanin. It also prevents the oxidation of tyrosine and phenylalanine, which are precursors to melanin. Methyl L-tyrosinate has been studied for its potential effects on hepatitis and Parkinson's disease. This drug binds to the hydroxyl group of tyrosinase and inhibits its activity. The inhibition of this enzyme leads to a decrease in melanin synthesis, which may be beneficial for those with vitiligo or other skin disorders where pigment loss is desired. This drug also prevents oxidative carbonylation and functional assays have shown that it has an affinity for potassium ion coordination chemistry.

Z-Phe-Phe-diazomethylketone is a cathepsin inhibitor that has been shown to inhibit the proteolytic activity of various enzymes, including serine proteases and thrombotic thrombocytopenic. This compound inhibits the growth of Leishmania parasites in cell culture and has been shown to have a high affinity for carboxy terminal and proximal tubules. Z-Phe-Phe-diazomethylketone has a neutral pH, with an optimum at 7.0, which may be due to its ability to bind to proteins or other components of cells without affecting their functions.

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Senktide is a substance P analog that has been shown to produce tail-flick responses in animals. The maximum response of the tail-flick test can be enhanced by the administration of either dopamine or serotonin. Inhibition of metabolism is likely to be responsible for these effects, as demonstrated by experiments in Sprague-Dawley rats. Senktide is an experimental model for studying the role of substance P in the regulation of blood pressure and locomotor activity. This compound also has pressor properties that are similar to those of dopamine and serotonin, which may be due to its ability to stimulate alpha-adrenergic receptors and inhibit dopaminergic neurons via a presynaptic mechanism.

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3-Cyano-2-methylphenylboronic acid is a high quality compound that can be used as a reagent, intermediate, or building block in the synthesis of complex compounds. This chemical is also useful as a speciality chemical and research chemical. 3-Cyano-2-methylphenylboronic acid has versatile uses in organic synthesis due to its versatility in reactions and building blocks.

Please enquire for more information about tert-Butyl6-[(1e)-2-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]ethenyl]-2,2-dimethyl-1,3-di oxane-4-acetate including the price, delivery time and more detailed product information at the technical inquiry form on this page

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H-Gly-Gly-His-Ala-OH is a peptide of four amino acids. It has been shown experimentally that the side chain of His is always oriented in the same direction, regardless of the conformation. The proton shift constants and vicinal coupling constants for Gly, Gly and Ala are constant, while His has a variable proton shift constant. The experimental parameters for the molecule have been rationalized by using conformational shifts to explain their variability. For example, the proton shift constants have been found to be dependent on the rotation about an axis perpendicular to the peptide backbone. H-Ala-Gly-Gly-His-OH is a pentapeptide with five amino acids that differs from HGGHAOH by having Ala instead of His at position 1. The vicinal coupling constants are different and so are other experimental parameters.

This synthetic peptide is an acceptor of protons and has a molecular weight of 904. It is one of the most potent proton donors known to date and has been shown to be effective in iontophoresis experiments. Ac-Tyr-Phe-OH has been found to have a bitter taste, which may limit its use as a drug candidate. However, it could be used as a screening tool to identify compounds that are likely to have a bitter taste, but without the need for extensive animal testing.

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Disulfide bond is an analytical method for the determination of the concentration-time curve. It is a cyclic peptide that competes with fibrinogen for binding to platelets. Disulfide bond has been shown to be an antagonist of receptor antagonist, and has potential applications in the treatment of autoimmune diseases. Disulfide bond can also be used as a model system for toxicological studies and experimental models in humans.

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H-Val-Tyr-Val-OH is a water soluble polymer that has a sulfamic acid group and a hydroxyl group. The polymer film is used as an additive for cellulose acetate, which is used in the manufacture of films, lacquers, and adhesives. H-Val-Tyr-Val-OH increases the solubility of the cellulose acetate in hydrochloric acid and reduces its tendency to dissolve in water. H-Val-Tyr-Val-OH also has a high degree of uv absorption. Constant techniques are used for analytical chemistry, such as gas chromatography and nuclear magnetic resonance spectroscopy, to study the surface properties of micelles formed from H-Val-Tyr-Val-OH.

Trt-Cys(Trt)-OH is a selective dicyclohexyl carbodiimide reagent for the synthesis of amides from carboxylic acids. It is used as an intermediate in the synthesis of glutathione and other nitrogen-containing compounds. Trt-Cys(Trt)-OH reacts with hydrochloric acid to form a salt, which can be saponified to release the desired product. The hydrochloric acid converts the ester into a carboxylic acid, while the amine group on the glycine reacts with the carboxylic acid to form an amide. Trityl is also produced during this reaction, which can be removed by reduction with hydrogen gas and palladium on charcoal.

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H-D-Phe-D-Phe-OH is a polypeptide that contains 24 amino acids. It is synthesized by the filamentous fungus, Aspergillus niger, and has been found to be an optimal substrate for aminopeptidase. H-D-Phe-D-Phe-OH has also been shown to be a homolog of the halophilic enzyme from Halobacterium salinarum.

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H-Pro-His-Phe-OH is a proteolytic enzyme that belongs to the group of serine proteases. It is a member of the subtilisin family and has been used in research for its ability to cleave proteins at random. H-Pro-His-Phe-OH has been shown to hydrolyze lactococcal proteinase and other serine proteases, such as trypsin, chymotrypsin, and elastase.

H-Ala-Phe-Ala-OH is a peptidomimetic that has been shown to have hydrogen bonding interactions with caco-2 cells. It also has the ability to form micelles and x-ray diffraction data show that the molecule has a right handed helical conformation. This compound was synthesized by reacting H-Ala-Phe with H-Gly-Gly in an amino acid condensation reaction, followed by hydrolysis of the amide bonds. The bioisosteres for this compound are tripeptides, which are amino acids linked by peptide bonds. The interaction of this compound with caco-2 cells is thought to be due to the hydrogen bonding interactions between this molecule and the hydroxyl groups on the cell surface.

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H-Arg-Met-OH acetate salt is a reactive chemical that is used in the treatment of hepatitis. It has been shown to be effective against virus and heart disease, as well as being active in the prevention of insulin resistance. H-Arg-Met-OH acetate salt is also used to determine if a person has had an allergic reaction by testing for elevated serum levels of this chemical. H-Arg-Met-OH acetate salt can be found in the blood, urine, and liver cells. This chemical is also present in mouse spleen cells and has been shown to react with specific antibodies.

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5-Amino-2-methoxyisonicotinic acid is a carboxylic acid that is used in the synthesis of aminopyridines. The compound can be synthesized from formamidine acetate and diethyl dicarbonate. This process involves lithiation, followed by addition of an amine and finally conversion to the desired product with formamidine acetate. 5-Amino-2-methoxyisonicotinic acid can also be synthesized from formamide and diethyl ether. 5-Amino-2-methoxyisonicotinic acid is an analog of 2,4,6-trimethylaniline and has been shown to have similar properties to this compound, including strong basicity.

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H-Ser-Asn-OH is a fatty acid that belongs to the amide group. It has an inhibitory effect on bacterial membranes, which can be seen in the x-ray crystal structures of H-Ser-Asn-OH cocrystallized with lipids from the bacterial membrane. The inhibition of bacterial membranes is due to its ability to bind strongly to the phospholipid head group and reduce the fluidity of the membrane. H-Ser-Asn-OH has also been shown to have a diagnostic effect on tissues and monolayers in vitro.

3-Amino-2-methoxy-dibenzofuran (3AMD) is a cytotoxic agent that is used in the treatment of bladder carcinoma. 3AMD inhibits DNA synthesis, leading to cell death by inhibiting the production of proteins vital for cell division. 3AMD has been shown to be a potent inhibitor of cyclen-dependent kinases and to induce DNA damage in human cells. 3AMD also has significant cytotoxicity against malignant cells and has been shown to inhibit the growth of tumours in mice. 3AMD may have carcinogenic potential due to its structural similarity with other carcinogens such as aniline and aminobiphenyl.

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Z-Ala-Ala-pNA is a bifunctional endopeptidase that has regulatory and subtilisin activity. It is used to regulate the production of nitrate in microorganisms such as bacteria and fungi, which can be an important factor in the production of food products. Z-Ala-Ala-pNA is a recombinant enzyme that was developed from a strain of Bacillus subtilis. This enzyme has binding sites for both serine proteinases and sodium nitrate. It degrades proteins by cleaving them at their serine residues, releasing amino acids and peptides from the N-terminus of the protein. The regulatory function of this enzyme is due to its ability to bind to nitrate ions, thereby regulating their concentration in cells.