L-HISTIDINE:HCL:H2O (RING-15N2) is a labeled, free amino acid hydrochloride hydrate in which the histidine imidazole ring bears two 15N atoms (ring-15N2), maintaining the amino acid backbone with an imidazole-containing side chain. The molecule contains a primary amino group and a carboxyl group, while the imidazole ring provides a basic, protonatable nitrogen functionality that can participate in acid-base equilibria, and the hydrochloride and water indicate salt and hydration states rather than peptide incorporation. As an isotopically labeled histidine derivative, it is used for 15N NMR and mass spectrometry-based analytical studies, isotopic tracing, and structural or binding investigations where defined nitrogen labeling within the histidine side chain is required.
CAT No: L-Iso-0314
1. The spatiotemporal control of signalling and trafficking of the GLP-1R
3. Immune-awakening Saccharomyces-inspired nanocarrier for oral target delivery to lymph and tumors
4. Store-operated Ca2+ entry sustains the fertilization Ca2+ signal in pig eggs
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