Dérivés d'acides aminés

<p>Building block</p>

<p>D-Threonine methyl ester hydrochloride is a versatile building block that is used in the synthesis of complex compounds. It can be used as a reagent, speciality chemical, and useful scaffold in organic chemistry. D-Threonine methyl ester hydrochloride has been shown to react with a variety of electrophiles and nucleophiles to form diverse products. This product is also used as a reaction component for the synthesis of high quality chemical intermediates.</p>

<p>N-b-Boc-D-2,3-diaminopropionic acid is a chemical compound that belongs to the group of polypeptides. It has been shown to act as a receptor activator in cell-based assays and is capable of binding to taste receptors. N-b-Boc-D-2,3-diaminopropionic acid has also been found to be an effective inhibitor of alpha amylase, which is an enzyme that breaks down starch into maltose and dextrin. This chemical compound could serve as a potential therapeutic agent for type 2 diabetes, obesity, and other metabolic disorders. NBDAPA has also been found in fossilized invertebrates such as squid and urchins.</p>

<p>Fmoc-3-chloro-L-beta-homophenylalanine is a chemical scaffold that can be used in research, as an intermediate, or as a building block. It has a wide range of utility and can be used to create complex compounds with high purity. This product is sold as a solid that is soluble in organic solvents such as dichloromethane, chloroform, and DMF. Fmoc-3-chloro-L-beta-homophenylalanine is also known by its CAS number 270596-40-2.</p>

<p>Leu-Leu-OH is a polymerase chain that belongs to the group of p2. It has been used as an experimental model for biological studies and cell lysis. The activity of Leu-Leu-OH is due to hydrogen bonding interactions with water molecules. This polymerase chain has been shown to be involved in infectious diseases, autoimmune diseases, and toll-like receptor signaling pathways. Leu-Leu-OH has also been studied as a model system for apoptosis by cell factor and histological analysis in anhydrous sodium phosphate buffer at pH 7.4.</p>

<p>L-Lysine diisocyanate ethyl ester (LDIEE) is a fluorescence probe that can be used to detect the presence of disulfide bonds. This compound reacts with thiols, such as cysteine, glutathione, and metallothioneins. LDIEE has been shown to bind to human serum proteins and has been used in biological studies for the detection of hydrogen bonding interactions. The biological properties of this compound have not been studied but it is hypothesized that LDIE may have anti-cancer activities due to its ability to react with coumarin derivatives.</p>

<p>Boc-Lys-OMe HCl is an ester hydrochloride of N-Boc-Lysine. It is a macrocyclic compound that has been used in the laboratory as an acidifying agent to convert sodium borohydride to methyl ester hydrochloride. Boc-Lys-OMe HCl is also used in the synthesis of macrocyclic compounds, such as n-boc-l-lysine and other polyamino compounds.</p>

<p>L-Alaninol is a natural amino acid that can be synthesized in an asymmetric way. It has been used as a palladium complex catalyst to produce the inorganic acid, l-alaninol. L-Alaninol is biologically active and has shown antiviral and antimicrobial activities against mycobacterium avium and human lymphocytes. It also has been shown to have anticancer properties in animal models. In addition, it has been used as a model system for the study of organic chemistry reactions. L-Alaninol has also been shown to exhibit magnetic resonance spectroscopy properties that are similar to those of l-phenylalaninol.</p>

<p>Fmoc-Thr(tBu)-Ser(Psi(Me,Me)pro)-OBzl is a high quality, research chemical that is used as an intermediate in the synthesis of complex compounds. It is a useful building block and can be used to make speciality chemicals. This reagent has many uses including being a useful scaffold for organic synthesis and a reaction component in the production of other fine chemicals. Fmoc-Thr(tBu)-Ser(Psi(Me,Me)pro)-OBzl has CAS No. 7791-02-8 and may be found in the following chemical structure:</p>

<p>H-Asp-pNA·HCl is a versatile building block that can be used in the synthesis of complex compounds. It has been shown to be useful in the synthesis of reagents and speciality chemicals, as well as being a reaction component for the synthesis of pharmaceuticals. H-Asp-pNA·HCl is also a useful scaffold for the production of high quality and highly pure products.</p>

<p>D-Alanine methyl ester HCl is a diamide with antimycobacterial activity. It was synthesized by the reaction of D-alanine and methyl acrylate in the presence of methanesulfonic acid. The chiral compound was obtained as a racemic mixture. Optical properties are not reported.</p>

<p>Fmoc-Cys(3-(t-butoxycarbonyl)-propyl)-OH is a cysteine derivative that has been shown to be effective in the treatment of ulcers. It is a competitive inhibitor of the enzyme cyclooxygenase, which is responsible for the production of prostaglandins, and can be used to decrease inflammation. Fmoc-Cys(3-(t-butoxycarbonyl)-propyl)-OH has been shown to inhibit carassius erythrocyte meiosis, with an effective dose of 0.02 mM. The drug also has a conformation that can bind to the hydroxamic acid moiety, which is thought to be responsible for its anti-inflammatory properties. This drug also inhibits genotype 3a2 and 5b2 of Cyprinus carpio and may have potential as a chemotherapeutic agent for these genotypes.END&gt;</p>

<p>Fmoc-L-Gln-OH is a vasoactive intestinal peptide (VIP) analog that has been shown to be a potent pressor agent. It binds to and activates the VIP receptors in the vascular endothelium, causing vasoconstriction of blood vessels. Fmoc-L-Gln-OH also inhibits mitochondrial superoxide production and colorectal adenocarcinoma growth in vitro. This compound can be synthesized using solid phase chemistry, which is a technique where the building blocks are attached sequentially to an insoluble support material. This process can be activated by trifluoroacetic acid or other activating agents and eliminates the need for protecting groups.<br>Fmoc-L-Gln-OH has been shown to inhibit the uptake of iron from transferrin into cells and to bind hippuric acid as well as many other organic compounds.</p>

<p>(R)-(-)-2-Phenylglycinol is an enantiopure chiral compound that has been used in the synthesis of polymers. This polymerase chain reaction (PCR) inhibitor binds to the α subunit of DNA polymerase, preventing replication and transcription. The binding site for this inhibitor is located at the active site of the enzyme and is a hydroxyl group. The (S)-enantiomer of 2-phenylglycinol does not bind to the α subunit, so it can be used as a control in experiments. 2-Phenylglycinol is also known to have antiviral properties against HIV infection.</p>

<p>L-Norvaline ethyl ester hydrochloride is an angiotensin-converting enzyme inhibitor. It has been shown to reduce the levels of angiotensin I and II, which are hormones that constrict blood vessels, resulting in a decrease in blood pressure. L-Norvaline ethyl ester hydrochloride also inhibits the production of aldosterone, a hormone involved in water retention. This drug is used as a supplement for people with congestive heart failure or those who have experienced a myocardial infarction. L-Norvaline ethyl ester hydrochloride is purified by elution from a column and then processed to remove impurities. The flow rate of the process is determined by measuring the height of the liquid in millimeters at various points on the column.</p>

<p>L-gamma-glutamyl-L-threonine is a compound in the sphingolipid metabolism pathway. It has been shown to be a regulator of acidic phospholipids and fatty acids. L-gamma-glutamyl-L-threonine is found in human urine at high concentrations and has demonstrated antibacterial activity against gram negative bacteria. The analog, L-threo-gamma-glutamyltyrosine, was shown to have anticancer activity against leukemia cells in vitro.</p>

<p>L-Homoglutamine is a non-essential amino acid that is an important part of the urea cycle. It also plays a role in protein synthesis, as well as in transfer reactions, such as the conversion of ammonia to urea. L-Homoglutamine has been shown to be an inhibitor of binding to collagenase, which may have therapeutic applications for diseases such as rheumatoid arthritis. This amino acid has been used in enzyme preparations and has been found to have biological properties that are similar to those of other carbonyl amino acids (e.g., L-glutamic acid).</p>

<p>Fmoc-Ala-Pro-Pro-OH is an amino acid that belongs to the class of speciality chemicals. It is a versatile building block for organic synthesis, with applications in pharmaceuticals, agrochemicals, and other chemical industries. The CAS number for Fmoc-Ala-Pro-Pro-OH is 386768-25-8.</p>

<p>N-Benzyloxycarbonyl-L-proline is a cationic polymerization inhibitor that has been shown to inhibit the growth of Pseudomonas aeruginosa. It inhibits bacterial growth by inhibiting the production of collagen, an important component in the cell wall. N-Benzyloxycarbonyl-L-proline is also used as a histological staining agent and has been shown to be effective against breast cancer cells resistant to tamoxifen therapy.</p>

<p>DL-Cysteine is a naturally occurring amino acid that is found in human cells and other living organisms. It has been shown to have antioxidant properties. DL-Cysteine has also been shown to be a cofactor for enzymes that synthesize proteins, DNA, and RNA. DL-Cysteine may also have the ability to regulate cellular iron homeostasis through its effects on the expression of genes that play a role in this process. This amino acid can also inhibit molecules that are involved in protein oxidation and provide biochemical properties for use as research tools.</p>

<p>H-Val-bNA</p>

<p>DL-Alanine methyl ester hydrochloride is a cytotoxic drug that is used to treat cancer. It inhibits the growth of cancer cells by binding to guanine in the cell's DNA and preventing its incorporation into DNA during replication. The substance also inhibits amino acid transport, causing a shortage of amino acids for protein synthesis. This leads to cell death by nucleophilic attack on the bond between two amino acids. DL-Alanine methyl ester hydrochloride has been shown to be effective against murine leukemia, HIV, and Herpes simplex virus type 1 (HSV-1). DL-Alanine methyl ester hydrochloride has two geometric isomers: L-alanine methyl ester hydrochloride and D-alanine methyl ester hydrochloride. These substances have different reactivities due to their different geometric shapes. Magnetic resonance spectroscopy can be used to differentiate between these substances in vivo, as well as in vitro.</p>

<p>DL-Histidine is an enantiopure antibiotic complex that is a proton donor. It is primarily used to treat bacterial infections. DL-Histidine inhibits bacterial growth by acting as a competitive inhibitor of the proton donor in the enzyme histidine decarboxylase and preventing the production of histamine, which is required for bacterial cell division. The molecular modeling study showed that DL-histidine has a linear plot with a high signal detection level, which makes it suitable for sample preparation. The crystalline cellulose molecule was found to form hydrogen bonds with the histidine molecule, which may have an effect on its activity.</p>

<p>DL-Leucine is an amino acid that is needed for the formation of proteins. It is also able to inhibit the activity of enzymes by hydrolyzing them. DL-Leucine has been shown to be a potent inhibitor of lysine hydrolases and can be used as an additive in the manufacture of animal feed. DL-Leucine has been shown to be stable in many environments, including those containing chlorine, hydrochloric acid, n-dimethyl formamide, and x-ray crystallography. The enantiomers of DL-leucine have different chemical stability; one form is more stable than the other in acidic environments.</p>

<p>Valine is a non-essential, branched-chain amino acid that is used for the treatment of bowel disease. Valine is a water-soluble, colorless and odorless crystalline powder that has a sour taste. It can be prepared by reacting valeric acid with ammonia in the presence of an alkali or by hydrolysis of proteins. Valine is also widely distributed in animal tissues, where it participates in the biosynthesis of important biological compounds such as coenzyme A. The optimum concentration to achieve maximum electrochemical impedance spectroscopy (EIS) signal was observed at 20 mM. The EIS signal was found to be dependent on the pH and protein content of the solution matrix. Valine binds to human serum albumin and exhibits strong hydrogen bonding interactions. In addition, valine possesses a signal peptide that helps export it from cells into blood plasma.</p>

<p>Boc-homo-L-tyrosine is a high quality reagent, which is a useful intermediate for the synthesis of complex compounds. It is also a useful scaffold that can be used in the creation of fine chemicals and research chemicals. Boc-homo-L-tyrosine has been shown to be versatile, as it can serve as a reaction component in different types of chemical reactions. This compound can be used as a building block and is classified as a speciality chemical. Boc-homo-L-tyrosine has an CAS number of 198473-94-8.</p>

<p>Pro-Gly-OH is a cyclic peptide that has been shown to have antimicrobial activity. Pro-Gly-OH has been shown to be an intramolecular hydrogen acceptor, which leads to the formation of a carbonyl group. This compound also has site specific interactions with the cell membrane and is taken up by cells. It is active at acidic pHs and can be activated by growth factors.<br>The conformational properties of Pro-Gly-OH are due to hydrogen bonding interactions and amide bond formation.</p>

<p>D-Phenylalanine is an amino acid that is found in the human body and is used as a pharmacological agent. It has been shown to be an antimicrobial peptide with a broad spectrum of activity against bacteria, yeast, and fungi. D-Phenylalanine also has the ability to inhibit the production of peptide hormones, such as gastrin and vasopressin, and can be used as an inhibitor for enzymes such as acetylcholine esterase. Studies have shown that D-phenylalanine can increase mitochondrial membrane potential in cells by binding to ester hydrochloride. This leads to increased enzyme activities, which may result in a decrease in hydrogen bonding interactions.</p>

<p>Fmoc-Pro-Pro-Gly-OH is an activating reagent that has been used in the synthesis of peptides with a C-terminal carboxyl group. It is typically used as a chloroformate ester and reacts with amino groups to form amide bonds. The activation of this reagent can be performed either by reaction with isobutyl or by reaction with piperidine. This product may also be used for the synthesis of tripeptides, pentafluorophenyl esters, and mimetic peptides. Fmoc-Pro-Pro-Gly-OH is typically purified by trituration, followed by evaporation in vacuum and then recrystallization from methanol or ethanol.</p>

<p>Z-O-tert-Butyl-L-tyrosine is a fine chemical that is soluble in water and has a wide range of uses. It is a versatile scaffold for the synthesis of complex compounds, and can be used as a building block or reaction component in research chemicals. Z-O-tert-Butyl-L-tyrosine is an important reagent for organic synthesis, especially when combined with other chemicals. This chemical can also be used as a speciality chemical to produce high quality products.</p>

<p>D-Allylglycine is a l-amino acid with the chemical formula of CH2CH(CH3)COOH. D-Allylglycine binds to the N-methyl-D-aspartate (NMDA) receptor and has been shown in animal studies to have effects on blood pressure, although its clinical relevance remains unclear. It is an enantiopure compound and can be obtained as a trifluoroacetate salt or ethyl diazoacetate ester hydrochloride. D-Allylglycine is also an aminoglycoside and ester hydrochloride that can be used for the treatment of bacterial infections. The amino group in D-allylglycine binds to glutamate receptors, which are found on neurons, and inhibits the release of gamma-aminobutyric acid (GABA). This drug may also have potential as a serotonergic agent due to its ability to inhibit serotonin re</p>

<p>Tyrosyl-glycyl-glycine: tripeptide with L-tyrosine, two glycines, formed by enkephalinase.</p>

<p>Sodium lauroyl glutamate (Acylglutamate LS-11) is an amino acid detergent and increases the solubility of long-chain alkyl gallates such as alkyl gallates.</p>

<p>Fmoc-Asp(OtBu)-Thr(psi(Me,Me)pro)-OH is a dipeptide.</p>

<p>Z-Arg(Z)2-OH can be used in the assay to screen proteolytic activities in mite homogenates.</p>