Crystal structure of the Escherichia coli nucleosidase PpnN (partial alarmone form)

Crystal structure of the Escherichia coli nucleosidase PpnN (partial alarmone form) Descriptor: 5-O-phosphono-alpha-D-ribofuranose, GUANINE, Pyrimidine/purine nucleotide 5'-monophosphate nucleosidase, ... Authors: Baerentsen, R.L, Brodersen, D.E. Deposit date: 2024-12-18 Release date: 2025-11-12 Last modified: 2026-01-21 Method: X-RAY DIFFRACTION (2.36 Å) Cite: Catalytic mechanism and differential alarmone regulation of a conserved stringent nucleosidase. Structure, 34, 2026

大肠杆菌（Escherichia coli）核苷酶PpnN（部分警报素形式）的晶体结构。描述项：5-O-磷酸-α-D-呋喃核糖（5-O-phosphono-alpha-D-ribofuranose）、鸟嘌呤（GUANINE）、嘧啶/嘌呤核苷酸5'-单磷酸核苷酶（Pyrimidine/purine nucleotide 5'-monophosphate nucleosidase）…… 作者：Baerentsen R.L.、Brodersen D.E. 提交日期：2024-12-18 发布日期：2025-11-12 最后修改日期：2026-01-21 实验方法：X射线衍射（X-RAY DIFFRACTION），分辨率为2.36埃（Å）。引用文献：《保守型严谨应答核苷酶的催化机制与差异化警报素调控》，刊载于*Structure*，第34卷，2026年。