L-PROLINE (13C5,D7,15N) is an isotopically labeled, naturally occurring amino acid derivative belonging to the proteinogenic imino acid class, featuring a cyclic pyrrolidine ring that incorporates the side-chain into the backbone. The molecule contains an amino group and a carboxyl group, with the ring nitrogen forming the characteristic secondary amine functionality, while the carbon, deuterium, and nitrogen atoms are enriched with 13C, D, and 15N isotopes as indicated by the product name. As an isotopically labeled proline analogue, it is used for stable isotope tracing, quantitative mass spectrometry-based analysis, and labeling workflows in peptide and protein studies where the labeled atoms enable tracking of incorporation, turnover, or fragmentation patterns.
CAT No: L-Iso-0522
1. Cationic cell-penetrating peptides are potent furin inhibitors
2. Store-operated Ca2+ entry sustains the fertilization Ca2+ signal in pig eggs
4. Autoinhibition and phosphorylation-induced activation of phospholipase C-γ isozymes
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