L-γ-Glutamyl-L-Isoleucine links a γ-glutamyl moiety to hydrophobic isoleucine, creating a dipeptide useful for studying γ-linkage chemistry. Researchers examine its conformational preferences and enzymatic susceptibility. The sequence models γ-glutamyl transfer processes. Applications include food chemistry, peptide-transport studies, and metabolic mechanistic research.
CAT No: R2599
CAS No:23632-83-9
Synonyms/Alias:gamma-Glu-Ile;L-gamma-Glu-L-Ile;L-gamma-glutamyl-L-isoleucine;gamma-glutamylisoleucine;23632-83-9;CHEBI:68434;DTXSID201311909;g-Glu-Ile;(2S,3S)-2-[(4S)-4-amino-4-carboxybutanamido]-3-methylpentanoic acid;(2S,3S)-2-(((4S)-4-amino-4-carboxybutanoyl)amino)-3-methylpentanoic acid;(2S,3S)-2-((4S)-4-amino-4-carboxybutanamido)-3-methylpentanoic acid;(2S,3S)-2-[[(4S)-4-amino-4-carboxybutanoyl]amino]-3-methylpentanoic acid;SCHEMBL236278;L-I(3)-Glutamyl-L-isoleucine;DTXCID201741722;EN300-28246534;Q27136933;870-192-6;
L-gamma-glutamyl-L-isoleucine, a naturally occurring dipeptide, stands out as a valuable research compound in the field of biochemistry and molecular biology. Characterized by the presence of a gamma-glutamyl linkage to the essential amino acid isoleucine, this molecule offers unique structural and functional properties that have attracted interest across several scientific domains. Its stability, solubility in aqueous environments, and compatibility with various analytical techniques make it suitable for a broad spectrum of experimental applications. As a representative of the gamma-glutamyl dipeptide family, L-gamma-glutamyl-L-isoleucine is particularly relevant for studies investigating peptide transport, metabolism, and signaling, providing a versatile platform for both fundamental and applied research.
Peptide Transport Studies: L-gamma-glutamyl-L-isoleucine serves as a model substrate for elucidating the mechanisms of peptide transport across cellular membranes. Researchers frequently employ this dipeptide to investigate the specificity and kinetics of peptide transporters, such as those of the SLC15 family, which play critical roles in nutrient absorption and cellular homeostasis. By tracking the uptake and distribution of this compound in cell-based assays or in vitro systems, scientists can gain insights into transporter function, substrate preferences, and potential regulatory mechanisms influencing peptide trafficking within biological systems.
Enzymatic Degradation Research: The compound is widely utilized to probe the activity of gamma-glutamyl transpeptidases and related enzymes involved in peptide catabolism. By monitoring the enzymatic cleavage of the gamma-glutamyl bond in L-gamma-glutamyl-L-isoleucine, researchers can assess enzyme specificity, catalytic efficiency, and inhibition profiles. These studies are instrumental in understanding metabolic pathways related to glutathione turnover, amino acid recycling, and the regulation of oxidative stress within cells. Such enzymatic assays contribute to the broader field of metabolic regulation and redox biology.
Nutritional Biochemistry: In the context of nutritional research, gamma-glutamyl dipeptides like L-gamma-glutamyl-L-isoleucine are investigated for their roles in amino acid transport and absorption. The presence of the gamma-glutamyl group can influence the bioavailability of isoleucine, an essential amino acid, and modulate its delivery to various tissues. Experimental models utilizing this dipeptide help elucidate the mechanisms by which dietary peptides are processed and absorbed in the gastrointestinal tract, offering valuable information for the development of functional foods, supplements, and novel delivery systems for amino acids.
Cell Signaling Pathways: Researchers also explore the potential involvement of L-gamma-glutamyl-L-isoleucine in modulating cellular signaling cascades. Gamma-glutamyl peptides have been implicated in the regulation of intracellular signal transduction, particularly those pathways associated with oxidative stress response and cellular adaptation. By introducing this dipeptide into cell culture models, scientists can study its effects on gene expression, protein phosphorylation, and the activation of downstream effectors, thus expanding our understanding of peptide-mediated signaling networks.
Analytical Method Development: L-gamma-glutamyl-L-isoleucine is frequently employed as a reference standard or calibration compound in the development of analytical techniques for peptide quantification. Its well-defined structure and physicochemical properties make it an ideal candidate for validating chromatographic methods, mass spectrometry protocols, and enzymatic assays. Utilizing this dipeptide as a benchmark enhances the accuracy and reproducibility of peptide detection in complex biological samples, supporting advances in metabolomics, proteomics, and clinical diagnostics research.
In summary, L-gamma-glutamyl-L-isoleucine provides a multifaceted tool for scientific investigations spanning peptide transport, enzymatic function, nutrition, cell signaling, and analytical chemistry. Its unique structure and biological relevance enable researchers to address key questions in molecular biology and biochemistry, driving innovation and discovery in peptide-related research.
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