H-Pro-His-Tyr-OH, also known as a peptide, is a small molecule composed of three amino acids: proline (Pro), histidine (His), and tyrosine (Tyr), with a carboxylic acid group (-COOH) at one end, indicating it is a C-terminally amidated peptide. This compound is characterized by its specific sequence of amino acids, which contributes to its unique properties and biological functions. Peptides like H-Pro-His-Tyr-OH often play significant roles in various biological processes, including signaling pathways and enzyme regulation. The presence of proline can introduce structural rigidity, while histidine can participate in metal ion coordination and buffering due to its imidazole side chain. Tyrosine, with its phenolic group, can engage in hydrogen bonding and is a precursor for neurotransmitters. The molecular structure and sequence of this peptide can influence its solubility, stability, and interaction with biological targets, making it of interest in fields such as biochemistry, pharmacology, and drug design.

H-Pro-His-Tyr-OH

81075-04-9: H-Pro-His-Tyr-OH, also known as a peptide, is a small molecule composed of three amino acids: proline (Pro), histidine (His), and tyrosine (Tyr), with a carboxylic acid group (-COOH) at one end, indicating it is a C-terminally amidated peptide. This compound is characterized by its specific sequence of amino acids, which contributes to its unique properties and biological functions. Peptides like H-Pro-His-Tyr-OH often play significant roles in various biological processes, including signaling pathways and enzyme regulation. The presence of proline can introduce structural rigidity, while histidine can participate in metal ion coordination and buffering due to its imidazole side chain. Tyrosine, with its phenolic group, can engage in hydrogen bonding and is a precursor for neurotransmitters. The molecular structure and sequence of this peptide can influence its solubility, stability, and interaction with biological targets, making it of interest in fields such as biochemistry, pharmacology, and drug design.

<p>H-Pro-His-Tyr-OH is a histidine dipeptide that has been used to study the effects of different environments on the stability of intramolecular ionic species. The ionic parameters of H-Pro-His-Tyr-OH have been correlated with spectroscopic data and are dependent upon the pH and temperature. The conformational constants, including those for the intramolecular ionic species, have also been determined by titration methods. The chromophore in H-Pro-His-Tyr-OH is quenched in acidic solutions, but becomes excited in basic solutions. This can be used to determine the pH of a solution.</p>

CAS 81075-04-9

H-Pro-His-Tyr-OH

H-Pro-His-Tyr-OH

Ref: IN-DA00G4AK

H-Pro-His-Tyr-OH

Ref: 3D-FP109352