Glu-Phe features an acidic glutamate linked to aromatic phenylalanine, enabling studies of charge-π interactions and early folding behavior. Researchers examine its conformational transitions and solubility patterns. The dipeptide serves as a model for mixed hydrophobic-polar motifs. Applications include structural modeling, enzymatic recognition, and peptide-design research.
CAT No: R2544
CAS No:20556-22-3
Synonyms/Alias:Glu-Phe;L-Glutamyl-L-Phenylalanine;20556-22-3;glutamyl-phenylalanine;SCHEMBL2980529;CHEBI:157850;DTXSID601310965;(4S)-4-amino-5-[[(1S)-1-carboxy-2-phenylethyl]amino]-5-oxopentanoic acid;(S)-4-Amino-5-(((S)-1-carboxy-2-phenylethyl)amino)-5-oxopentanoic acid;
Glu-Phe, also known as Glutamylphenylalanine, is a synthetic dipeptide composed of L-glutamic acid and L-phenylalanine linked by a peptide bond. As a member of the dipeptide class, it serves as a valuable biochemical tool for investigating peptide structure-activity relationships, enzymatic specificity, and transport mechanisms. Its defined sequence and physicochemical properties make it particularly useful in studies focused on peptide metabolism, enzyme-substrate interactions, and the development of analytical methodologies. Glu-Phe provides researchers with a controlled model system for dissecting fundamental aspects of peptide chemistry and biochemistry, supporting a broad range of applications in academic, pharmaceutical, and industrial research settings.
Peptidase substrate characterization: Glu-Phe is frequently employed as a model substrate in peptidase and protease activity assays. The dipeptide's structure allows for selective recognition and cleavage by various exopeptidases and endopeptidases, facilitating the assessment of enzyme specificity, kinetics, and inhibition. Utilizing this compound in enzymatic assays aids in elucidating the catalytic mechanisms of peptidases and supports the screening of novel enzyme inhibitors, which is essential for understanding proteolytic processes in biological systems.
Peptide transporter studies: In membrane transport research, Glu-Phe serves as a representative substrate for examining the activity and selectivity of peptide transporters, such as those belonging to the SLC15 family. Its defined dipeptide structure enables precise quantification of uptake and transport dynamics across cellular membranes, contributing to the characterization of transporter substrate preferences and the elucidation of mechanisms underlying peptide absorption and distribution in biological systems.
Analytical method development: The dipeptide is frequently utilized as a reference standard or calibration compound in the development and validation of chromatographic and spectrometric techniques for peptide analysis. Its well-characterized properties allow for the optimization of separation conditions and detection parameters, supporting accurate quantification and identification of peptides in complex biological or synthetic samples. This capability is particularly valuable in quality control, metabolomics, and proteomics workflows.
Structure-activity relationship (SAR) investigations: Glu-Phe functions as a model compound in studies aimed at understanding how specific amino acid sequences influence peptide conformation, stability, and biological activity. Researchers leverage its defined sequence to systematically compare the effects of side chain variations, backbone modifications, or terminal group alterations on peptide function. Such SAR studies are integral to the rational design of bioactive peptides, enzyme substrates, and peptide-based materials.
Peptide synthesis optimization: The compound is also used as a benchmark in the evaluation and optimization of synthetic methodologies for dipeptide and oligopeptide production. Its synthesis and purification provide insights into coupling efficiency, protecting group strategies, and purification techniques, serving as a practical reference for refining peptide synthesis protocols in both academic and industrial laboratories. Through these applications, Glu-Phe supports advancements in peptide chemistry and enables the development of more efficient and scalable synthetic approaches.
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