ID30A-3 (or MASSIF-3) is a mini-focus (beam size 18 µm × 14 µm) highly intense (2.0 × 1013 photons s-1), fixed-energy (12.81 keV) beamline for macromolecular crystallography (MX) experiments at the European Synchrotron Radiation Facility (ESRF). MASSIF-3 is one of two fixed-energy beamlines sited on the first branch of the canted undulator setup on the ESRF ID30 port and is equipped with a MD2 micro-diffractometer, a Flex HCD sample changer, and an Eiger X 4M fast hybrid photon-counting detector. MASSIF-3 is recommended for collecting diffraction data from single small crystals (≤15 µm in one dimension) or for experiments using serial methods. The end-station has been in full user operation since December 2014, and here its current characteristics and capabilities are described.

中文翻译：

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ID30A-3 (MASSIF-3) - ESRF 上用于大分子晶体学的光束线，具有小强光束。

ID30A-3（或 MASSIF-3）是用于大分子晶体学 (MX) 实验的迷你焦点（光束尺寸 18 µm × 14 µm）高强度（2.0 × 1013 光子 s-1）、固定能量 (12.81 keV) 光束线在欧洲同步辐射设施（ESRF）。MASSIF-3 是位于 ESRF ID30 端口上倾斜波荡器设置的第一个分支上的两条固定能量光束线之一，并配备了 MD2 微衍射仪、Flex HCD 样品更换器和 Eiger X 4M 快速混合光子- 计数检测器。建议使用 MASSIF-3 从单个小晶体（一维≤15 µm）收集衍射数据或使用串行方法进行实验。该终端站自 2014 年 12 月起已全面投入用户运行，此处描述了其当前的特性和功能。