Glu-Glu-Gly is a tripeptide composed of two L-glutamic acid and one glycine residues joined in sequence.
CAT No: 10-101-272
CAS No:50997-16-5
Synonyms/Alias:H-GLY-GLU-GLY-OH;50997-16-5;Gly-Glu-Gly;(4S)-4-[(2-aminoacetyl)amino]-5-(carboxymethylamino)-5-oxopentanoic acid;glycylglutamylglycine;Glycyl-glutamyl-glycine;Glycyl-L-glutamyl-glycine;SCHEMBL2804509;(S)-4-(2-Aminoacetamido)-5-((carboxymethyl)amino)-5-oxopentanoic acid;CHEBI:163656;HY-P6303;H-Gly-Glu-Gly-OH trifluoroacetic acid;FG110344;(S)-4-(2-aminoacetamido)-5-(carboxymethylamino)-5-oxopentanoic acid;1539295-10-7;
Gly-Glu-Gly is a synthetic tripeptide composed of glycine, glutamic acid, and glycine residues arranged in sequence. As a member of the peptide compound family, it features a combination of small, uncharged, and acidic amino acids, imparting distinct biochemical properties relevant to peptide research. Its structural simplicity and the presence of both glycine and glutamic acid make it a valuable model for exploring peptide backbone interactions, conformational analysis, and sequence-specific functional studies. Researchers utilize such tripeptides to investigate fundamental aspects of peptide chemistry, protein folding, and intermolecular interactions, as well as to develop and optimize analytical and synthetic methodologies in the broader field of peptide science.
Peptide synthesis validation: Gly-Glu-Gly serves as a reference standard and model substrate in the development and optimization of solid-phase and solution-phase peptide synthesis protocols. Its defined sequence and manageable size enable researchers to assess coupling efficiencies, monitor deprotection steps, and troubleshoot synthetic routes. By employing this tripeptide in method validation, laboratories can ensure the reliability and reproducibility of peptide assembly strategies, which is critical for both basic research and the production of more complex peptides.
Structural and conformational studies: The tripeptide is frequently used in biophysical and computational investigations aimed at understanding peptide secondary structure formation and backbone dynamics. Its composition, featuring flexible glycine residues flanking an acidic glutamic acid, provides a simplified system for probing hydrogen bonding patterns, turn motifs, and the influence of side-chain functionalities on peptide folding. Such model systems are instrumental in elucidating the principles that govern protein architecture and stability, informing both fundamental research and rational peptide design.
Enzyme substrate and specificity assays: As a defined short peptide, Gly-Glu-Gly is well-suited for use as a substrate in enzymatic activity studies, particularly those involving proteases, peptidases, or amidases. Researchers employ it to characterize enzyme specificity, measure kinetic parameters, and investigate cleavage preferences. The tripeptide's sequence allows for the systematic evaluation of enzyme-substrate interactions, aiding in the identification of active site requirements and the development of enzyme inhibitors or modulators for biochemical research.
Analytical method development: Gly-Glu-Gly is utilized as a calibration standard and test analyte in the development and validation of analytical techniques such as high-performance liquid chromatography (HPLC), mass spectrometry, and capillary electrophoresis. Its well-defined structure and physicochemical properties make it ideal for optimizing separation conditions, assessing detection sensitivity, and benchmarking instrument performance. The use of such tripeptides in analytical workflows ensures accuracy and consistency in peptide quantification and characterization across diverse research and industrial settings.
Peptide-protein interaction studies: The tripeptide's sequence and charge distribution offer a useful model for investigating the principles of peptide-protein recognition, binding affinity, and molecular interaction mechanisms. By incorporating Gly-Glu-Gly into binding assays, surface plasmon resonance experiments, or computational docking studies, scientists can explore how small peptides interact with protein surfaces, identify key determinants of specificity, and inform the design of peptide-based probes or affinity reagents. Such studies contribute to a deeper understanding of molecular recognition processes central to biochemistry and molecular biology.
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