Photoaffinity labeling of the primary fibrin polymerization site: localization of the label to gamma-chain Tyr-363.
收藏PubMed Central1992-04-01 更新2026-05-16 收录
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https://pmc.ncbi.nlm.nih.gov/articles/PMC48769/
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资源简介：
Fragment D prepared from human fibrinogen was labeled specifically by photoactivation of the peptide [14C]Gly-Pro-Arg-N-(4-azido-2-nitrophenyl)Lys amide. The preparation was freed of excess labeling reagents and then reduced and alkylated. The component alpha, beta, and gamma chains were purified by chromatography on carboxymethylcellulose and the radioactivity was found to be restricted to the gamma chain. Isolated gamma chains were digested with various endopeptidases, both alone and in tandem, and the products were fractionated by gradient HPLC. The amino acid compositions of all labeled peptides led to the conclusion that the modification occurs exclusively on gamma-chain Tyr-363. IMAGES:
提供机构：
National Academy of Sciences
创建时间：
1992-04-01
