Macromolecular Crystallography Operations Core

GM/CA大分子晶体学（MX）核心有三个主要目标。我们将提供一个现代化的， 强大的环境，用于样品筛选、通过光栅扫描进行精细样品检查和数据收集， 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， 先进的、生物学家友好的用户界面，用于光束线控制、数据处理和分析， 现场和远程用户。我们将实施光束线和软件升级， 操作，以便利用升级的APS源（APS-U），这将在 这一融资期。GM/CA Group Leader Robert Fischetti博士领导MX Core，克雷格绪方博士 （操作科负责人）领导用户程序，Sergey Stepanov博士（控制科负责人） 领导计算和网络工作。光束线23 ID-B和23 ID-D将类似地配置有 用于衍射实验的高质量X射线束、仪器和软件， 波长与用户可选择的大小的光束，使大分子晶体学， 挑战生物医学问题。GM/CA将提供功能强大、用户友好的控制软件和一个安全的 实验室环境，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项目，升级老化的光束线光学器件，并增加 5-微米，10-微米和20-微米光束聚焦。通过升级的光学系统，我们将提供一个光束 APS-U源的直径为1微米，并将实施改进的终端站，以实现准确的采样 可视化和定位，光束尺寸在1 μ m和20 μ m之间快速变化的方案， 升级的用户界面，用于快速样品扫描和数据收集，以及数据分析的集成 处理多晶体数据集的软件。我们将测试各种系列晶体学方法， 在APS-U开始时向用户提供这种能力。我们将继续进行多层次的维护 计划在故障之前预测问题，并为所有用户提供完整的光束线功能 预定的光束时间。

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.