Macromolecular Crystallography Operations Core

高分子晶体学操作核心

• 批准号: 10031904
• 负责人: ROBERT F. FISCHETTI
• 金额: $ 176.71万
• 依托单位: ARGONNE NATIONAL LABORATORY
• 依托单位国家: 美国
• 财政年份: 2020
• 资助国家: 美国
• 起止时间: 2020-09-30 至 2025-06-30
• 项目状态: 未结题
• 来源: https://reporter.nih.gov/project-details/10031904
• 关键词: Aging; Caliber; Capital; Computer software; Crystallization; Crystallography; Data; Data Analyses; Data Collection; Data Set; Environment; Equipment; Failure; Floor; Funding; Goals; Intuition; Lead; Maintenance; Methods; Modernization; National Institute of General Medical Sciences; Optics; Peer Review; Performance; Periodicity; Positioning Attribute; Process; Protocols documentation; Resources; Roentgen Rays; Sampling; Scanning; Schedule; Scheme; Site; Source; Speed; Structure; System; Testing; Time; Visualization; base; beamline; computerized data processing; data integration; density; detector; experience; experimental study; graphical user interface; improved; instrument; operation; programs; repaired; screening; success; user-friendly

The GM/CA Macromolecular Crystallography (MX) Core has three main goals. We will provide a modern, powerful environment for sample screening, fine sample examination via rastering, and data collection in fixed-energy, SAD and MAD modes for single- or multi-crystal samples. GM/CA will create an intuitive, sophisticated, biologist-friendly user interface for beamline control and data processing and analysis for both on-site and remote users. We will implement beamline and software upgrades for optimal user operations in order to take advantage of the upgraded APS source (APS-U), which will be realized within this funding period. GM/CA Group Leader Dr. Robert Fischetti leads the MX Core, Dr. Craig Ogata (Operations Section Lead) leads the user program, and Dr. Sergey Stepanov (Controls Section Lead) leads the computing and networking effort. Beamlines 23ID-B and 23ID-D will be similarly configured with high-quality X-ray beams, instruments and software for diffraction experiments at user-selectable wavelengths with a beam of user-selectable size to enable macromolecular crystallography of challenging biomedical problems. GM/CA will provide powerful, user-friendly control software and a safe environment on the experimental floor for user experiments based on peer-reviewed applications for beam time. We will complete a project to upgrade aging beamline optics and to increase the flux of the 5-m, 10-m and 20-m beams by focusing. With the upgraded optics, we will provide a beam down to 1-m diameter for the APS-U source and will implement an improved endstation for accurate sample visualization and positioning, a scheme for rapid beam size changes between 1 m and 20 m, an upgraded user interface for rapid sample scanning and data collection, and integration of data analysis software to process multi-crystal datasets. We will test a variety of serial crystallography methods in order to provide this capability to users at the start of APS-U. We will continue a multi-tiered maintenance program to anticipate problems ahead of failures and provide full beamline capabilities to users for all scheduled beam time.

GM/CA 高分子晶体学 (MX) 核心具有三个主要目标。我们将提供一个现代化的、 用于样品筛选、通过光栅进行精细样品检查以及数据收集的强大环境 适用于单晶或多晶样品的固定能量、SAD 和 MAD 模式。 GM/CA 将创建一个直观的、 复杂的、生物学家友好的用户界面，用于光束线控制以及数据处理和分析 现场和远程用户。我们将为最佳用户实施光束线和软件升级 操作，以利用升级的 APS 源（APS-U），这将在 本资助期。 GM/CA 小组负责人 Robert Fischetti 博士领导 MX Core，Craig Ogata 博士 （操作部门负责人）负责用户程序，Sergey Stepanov 博士（控制部门负责人） 领导计算和网络工作。光束线 23ID-B 和 23ID-D 将采用类似的配置 用户可选的用于衍射实验的高质量 X 射线束、仪器和软件 波长和用户可选择尺寸的光束，以实现大分子晶体学 具有挑战性的生物医学问题。 GM/CA将提供功能强大、用户友好的控制软件和安全的 实验层环境，用于基于同行评审的应用程序进行用户实验 光束时间。我们将完成一个升级老化光束线光学器件并增加光束通量的项目 通过聚焦产生 5-μm、10-μm 和 20-μm 光束。通过升级的光学器件，我们将提供低至 APS-U 源的直径为 1μm，并将实施改进的终端站以实现准确的样品 可视化和定位，光束尺寸在 1 µm 和 20 µm 之间快速变化的方案， 升级的用户界面，用于快速样本扫描和数据收集，以及数据分析的集成 处理多晶数据集的软件。我们将按顺序测试多种系列晶体学方法 在 APS-U 启动时向用户提供此功能。我们将持续进行多级维护 程序可以在故障发生之前预测问题，并为所有用户提供完整的光束线功能 预定的光束时间。