AzGGK is a short peptide bearing azido functionality for click-chemistry conjugation. Glycine spacers offer flexibility, while lysine provides a reactive amine handle for derivatization. Researchers employ it to create labeled peptides, hydrogels, and bioconjugates. Applications include probe development, materials chemistry, and modular peptide synthesis.
CAT No: R2609
CAS No:2407768-11-8
Synonyms/Alias:AzGGK;N6-((2-azidoacetyl)glycyl)-L-lysine;2407768-11-8;N6-[(2-Azidoacetyl)glycyl]-L-lysine HCl;SCHEMBL21611915;GLXC-20772;DA-50865;HY-148835;CS-0642777;(2S)-2-amino-6-[[2-[(2-azidoacetyl)amino]acetyl]amino]hexanoic acid;
AzGGK, also known as Azido-Glycyl-Glycyl-Lysine, is a versatile carbohydrate-based compound widely recognized in the field of chemical biology for its unique structural features and functional azide group. This tripeptide derivative incorporates an azido moiety at the N-terminus, providing a reactive handle for bioorthogonal conjugation techniques. Its design facilitates the integration of peptide chemistry with carbohydrate research, opening up innovative avenues for molecular labeling, crosslinking, and probing of biological systems. The presence of the azide group enables selective and efficient modification through click chemistry, making AzGGK an indispensable tool for researchers aiming to expand the toolkit for studying complex biological processes at the molecular level. Its compatibility with a wide range of chemical reactions and biological systems underscores its importance in advancing glycoscience and peptide-based research.
Bioorthogonal Labeling: AzGGK serves as an essential reagent for bioorthogonal labeling applications, particularly through copper-catalyzed azide-alkyne cycloaddition (CuAAC) or strain-promoted azide-alkyne cycloaddition (SPAAC). By introducing the azide functionality into peptides or proteins, researchers can selectively attach fluorescent probes, affinity tags, or other molecular labels without interfering with native biological processes. This enables precise visualization, tracking, and quantification of biomolecules in complex biological environments, greatly enhancing the study of protein dynamics, localization, and interactions within cells and tissues.
Peptide-Protein Conjugation: The unique structure of Azido-Glycyl-Glycyl-Lysine makes it highly suitable for peptide-protein conjugation strategies. Its azide group acts as a reactive site for coupling with alkyne-containing molecules, facilitating the creation of multifunctional bioconjugates. These conjugates are invaluable for probing protein-protein interactions, constructing synthetic vaccines, or engineering novel biomaterials. By incorporating AzGGK into peptide sequences, scientists can achieve site-specific modification, ensuring homogeneity and reproducibility in their conjugation protocols.
Glycobiology Research: In the context of glycobiology, AzGGK plays a pivotal role in the synthesis and modification of glycopeptides and glycoproteins. Its compatibility with carbohydrate chemistry enables the selective introduction of functional groups onto glycan or peptide backbones, supporting the development of glycan arrays, glycopeptide libraries, and advanced analytical tools. Researchers leverage its reactivity to study glycan recognition, elucidate carbohydrate-mediated signaling pathways, and design innovative probes for glycan-binding proteins, thereby advancing the understanding of carbohydrate functions in health and disease.
Surface Immobilization: AzGGK is frequently utilized in surface immobilization strategies for biosensor development and biomaterials engineering. By exploiting its azide group, it can be covalently attached to functionalized surfaces via click chemistry, resulting in stable and oriented peptide or protein layers. This approach enhances the sensitivity and specificity of biosensors, facilitates the creation of cell-adhesive substrates, and supports the fabrication of microarrays for high-throughput screening. The robust and bioorthogonal nature of these immobilization techniques ensures compatibility with a wide range of analytical and diagnostic platforms.
Proteomics and Mass Spectrometry: The application of Azido-Glycyl-Glycyl-Lysine in proteomics and mass spectrometry has gained significant traction, particularly for the enrichment and identification of post-translationally modified peptides. By incorporating the azide-modified tripeptide into target proteins or peptides, researchers can selectively capture and isolate specific biomolecules using alkyne-functionalized resins or probes. This selective enrichment enhances the detection sensitivity and accuracy of mass spectrometric analysis, enabling detailed profiling of complex proteomes and the discovery of novel biomarkers or signaling components.
Advancements in chemical biology, peptide science, and glycoscience continue to benefit from the unique properties of AzGGK. Its multifaceted applications in bioorthogonal labeling, peptide-protein conjugation, glycobiology research, surface immobilization, and proteomics underscore its value as a critical reagent for researchers seeking to unravel the complexities of biomolecular interactions and develop innovative analytical tools. The ongoing integration of this azide-functionalized tripeptide into cutting-edge research methodologies promises to drive further discoveries and technological innovations across the life sciences.
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