Z-L-methionine contains an L-methionine amino acid backbone bearing a thioether-containing side chain characteristic of methionine, with the α-amino and α-carboxyl functionalities present in protected form. The "Z" designation indicates a benzyloxycarbonyl-type (Cbz/Z) protection on the amino group, which masks the amine to reduce undesired side reactions during chemical transformations while retaining the carboxyl group for controlled coupling chemistry. Z-L-methionine is employed as a protected amino acid building block for peptide synthesis workflows, including stepwise assembly and the preparation of methionine-containing peptide derivatives for structure-activity, labeling, and analytical studies.
1. Store-operated Ca2+ entry sustains the fertilization Ca2+ signal in pig eggs
2. Immune-awakening Saccharomyces-inspired nanocarrier for oral target delivery to lymph and tumors
4. SERS spectrum of the peptide thymosin‐β4 obtained with Ag nanorod substrate
5. Adipose tissue is a key organ for the beneficial effects of GLP-2 metabolic function
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