Amino Acids (AA)

The target of H-Glu-Pro-Gln-Tyr(PO3H2)-Glu-Glu-Ile-Pro-Ile-Tyr-Leu is the phosphotyrosine residue in tyrosine kinase. This compound has been shown to inhibit the proliferation of cells that express this type of receptor and induce apoptosis. The x-ray structures of ligand binding to the receptor show a hydrogen bond network with the hydroxyl group at position 2, which is believed to be important for binding activity. The molecular modeling studies confirm that this interaction is energetically favorable, with a ΔΔG = -6.5 kcal/mol. H-Glu-Pro-Gln-Tyr(PO3H2)-Glu-Glu-Ile-(OH) has also been found to have antiosteoporotic properties when administered orally in rats.

Methyl 3-amino-2-phenylpropanoate HCl is a chemical intermediate that is synthesized in the biosynthesis of scopolamine and tenellin. It has been found to be an isotopically labeled analog of tropane alkaloids, which are a class of natural products that includes atropine, hyoscyamine, and scopolamine. Methyl 3-amino-2-phenylpropanoate HCl is one of many compounds that can provide structural insights into the biosynthesis and metabolism of these compounds.

Experimental Allergic Encephalitogenic Peptide (human) H-Phe-Ser-Trp-Gly-Ala-Glu-Gly-Gln-Arg-OH is a protein that is used as an adjuvant to increase the immune response. It is composed of a string of amino acids that are recognized by the immune system, but do not elicit an immune response on their own. The peptide can be administered intracutaneously or in the form of a vaccine. This peptide has been shown to have a basic nature and has been found to have lethal effects when administered at high doses.

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Z-Ala-Phe-OMe is a model amide that has been used to study the serine protease catalysed hydrolysis of peptides. This compound is a water molecule analogue that is immobilized on an ion exchange resin, which can be used as a support for experiments in catalysis and thermodynamics. Z-Ala-Phe-OMe has shown to be more efficient than other substrates and can be used to study kinetic data and thermodynamic properties.

Tyr-Ala-OH is a peptide hormone that inhibits the enzyme tyrosinase, which is needed for melanin synthesis. Tyr-Ala-OH has been shown to be effective in the treatment of autoimmune diseases and inflammatory diseases. This drug also has strong antioxidant properties and can inhibit proton release from cells. The mechanism of action appears to be through competitive inhibition of the enzyme dipeptidyl peptidase 4 (DPP4), which breaks down glucagon-like peptide (GLP) 1 and GLP 2, both of which have anti-inflammatory effects.

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Lactoferricin B (4-14) (bovine) trifluoroacetate salt is a peptide derivative, which is a fragment derived from bovine lactoferrin. It is obtained by enzymatic digestion of lactoferrin, a glycoprotein with a well-established role in the innate immune system. This specific peptide, Lactoferricin B (4-14), is known for its potent antimicrobial properties, attributed to its amphipathic structure that facilitates the disruption of microbial membranes. Additionally, it can modulate immune responses through interactions with immune cells, thereby influencing inflammatory processes.

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Boc-Tyr(tBu)-OH is a chemical compound that is part of the class of lactams. It has been shown to have antitumor activity in vitro and in vivo, but it has not yet been tested for its cytotoxicity. This compound is synthesized by solid-phase synthesis and contains a disulfide bond, which may contribute to its cytotoxicity. Boc-Tyr(tBu)-OH has also been shown to have high affinity for the alpha 2A adrenergic receptor subtype and other receptors with an isosteric carbonyl group.

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H-Gly-Sar-Sar-OH is an amide that is a prodrug for the antibiotic Glycylcycline. This drug has been shown to inhibit peptidases and transport in caco-2 cells, as well as to have affinity for intestinal peptidases. H-Gly-Sar-Sar-OH has also been shown to be able to penetrate the cell membrane and inhibit peptidase activity in extracellular space. The bond cleavage of this drug has been rationalized by comparing it with other bioisosteres.

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H-AKKLSKDRMKKYMARRKWQKTG-NH2 peptide, corresponding to 480-501 amnino acids of Myosin Light Chain Kinase. Myosin Light Chain Kinase is a serine/threonine specific protein kinase that phosphorylates the myosin light chain.