H-Glu-4MbetaNA

H-Glu-4MbetaNA is an N-protected glutamic acid derivative featuring a side-chain carboxylate and a stereodefined alpha-amino acid framework, with the alpha-amino group masked as an N-acyl protecting group (H-Glu indicates an N-protected glutamate building block). The molecule contains a free or derivatizable carboxyl functionality at the glutamate side chain and an additional carboxyl-bearing motif consistent with glutamate-based peptide chemistry, enabling controlled peptide coupling at the backbone while supporting orthogonal functional-group transformations on the side chain. The presence of the 4MbetaNA substituent on the glutamate side chain introduces a beta-amino acid-like handle that can participate in further derivatization, conjugation, or incorporation into extended peptide or peptidomimetic scaffolds. As a chiral amino acid intermediate, H-Glu-4MbetaNA is suitable for stepwise protected amino acid synthesis and downstream conversion into functionalized glutamate derivatives used in biochemical research and fine chemical manufacturing.

1. Peptide Synthesis

H-Glu-4MbetaNA is applied in peptide building-block workflows where glutamate residues and side-chain functionalization are required for controlled chain assembly. The glutamic acid backbone and side-chain carboxyl functionality support peptide coupling chemistry at the desired position while the N-protecting group helps regulate chemoselectivity during sequential coupling and deprotection steps. The beta-substituted 4MbetaNA motif can be carried through peptide assembly to introduce a defined side-chain architecture for subsequent modifications, including amide formation, esterification, or side-chain elaboration after chain construction. Downstream peptide analogs prepared from H-Glu-4MbetaNA can serve as controlled substrates for biochemical assays, peptide mapping studies, or scaffold generation in peptide chemistry programs.

2. Side-Chain Functionalization

H-Glu-4MbetaNA is used for side-chain functionalization strategies that leverage glutamate's dual carboxyl-containing functionality and the stereodefined beta substitution pattern. The side-chain carboxyl group can be transformed into activated intermediates for selective conjugation or for building higher-order amide linkages, while the 4MbetaNA substituent provides an additional reactive site that can be tuned toward nucleophile/electrophile pairing in later steps. Orthogonal protection and selective activation of carboxyl groups enable preparation of mixed-functional glutamate derivatives for chemical biology probes or peptidomimetic construction. Functionalized products derived from H-Glu-4MbetaNA can be routed into libraries of analogs for structure-activity relationship studies and into defined conjugates for downstream analytical characterization.

3. Chemical Biology Probes

H-Glu-4MbetaNA is suitable for chemical biology research where glutamate-based motifs are incorporated into probes that mimic or perturb amino acid recognition features in biomolecular systems. The protected amino acid framework supports incorporation into peptides or peptide-like constructs, while the side-chain functional groups allow attachment of labels, affinity handles, or reactive groups for controlled biomolecule modification. The stereochemical integrity of the alpha-amino acid center helps maintain defined spatial presentation of the glutamate side chain, which can be critical when probes are designed to engage receptor pockets, enzyme active sites, or protein interaction interfaces. Probe constructs prepared using H-Glu-4MbetaNA can be used as research intermediates for studying binding modes, processing events, or interaction-dependent labeling workflows.

4. Protected Amino Acid Chemistry

H-Glu-4MbetaNA is employed as a chiral protected amino acid derivative in protected amino acid synthesis and intermediate preparation for peptide-grade materials. The N-protection indicated by H-Glu supports selective handling of the amino functionality during coupling, while the glutamate carboxyl groups enable orthogonal activation/deprotection logic to control which functional group participates at each stage. The 4MbetaNA side-chain substitution provides a chemically addressable element that can be preserved during backbone assembly and then converted into further derivatives through standard carboxyl chemistry or functional-group interconversions. H-Glu-4MbetaNA thus functions as a stereodefined intermediate for manufacturing routes that require reproducible amino acid protection patterns and predictable downstream reactivity.

5. Pharmaceutical Intermediate Preparation

H-Glu-4MbetaNA is relevant to pharmaceutical intermediate preparation where amino acid-derived, side-chain functionalized building blocks are required for synthesis of peptide-like drug candidates and process intermediates. The glutamate scaffold and protected amine enable incorporation into larger molecules via controlled amide-forming steps, while the side-chain carboxyl functionality can be used to introduce solubilizing groups, linker units, or conformationally constrained motifs. The beta-substituted 4MbetaNA element can serve as a structural handle for later transformations that tailor physicochemical properties or enable conjugation to other fragments in medicinal chemistry synthesis. Process chemistry teams can apply H-Glu-4MbetaNA as a chiral intermediate to support scalable fine chemical synthesis of defined stereochemical architectures used in applied drug discovery chemistry.

1. Myotropic activity of allatostatins in tenebrionid beetles

2. An Isolated TCR αβ Restricted by HLA-A* 02: 01/CT37 Peptide Redirecting CD8+ T Cells to Kill and Secrete IFN-γ in Response to Lung Adenocarcinoma Cell Lines

3. Adipose tissue is a key organ for the beneficial effects of GLP-2 metabolic function

4. Therapeutic potential of an intestinotrophic hormone, glucagon-like peptide 2, for treatment of type 2 short bowel syndrome rats with intestinal bacterial and fungal dysbiosis

5. C-peptide and its C-terminal fragments improve erythrocyte deformability in type 1 diabetes patients