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📄 Direct Detection of the Calcium–Sodium–Calcium Metal Triad in Thermostable α-Amylases from Bacillus sp. Bacteria in Aqueous Solution by 23Na Quadrupole-Central-Transition NMR Spectroscopy

📝 با NMR چهارقطبی 23Na، یون Na+ در سهگانه Ca-Na-Ca دو آلفا-آمیلاز باکتریایی مستقیماً در محلول آبی شناسایی و پایداری حرارتی آنها بررسی شد.

📚 Journal: Journal of the American
Chemical Society #JACS
📅 Date: 2026-10-14
🔬 Research Article
🔗 10.1021/jacs.6c16474

🏷 alpha-amylase · Ca-Na-Ca triad · 23Na QCT NMR · thermostability · metal binding
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