X 射线散射与基于坐标的分析相结合，应用于自然和人工光合作用。
X-ray scattering combined with coordinate-based analyses for applications in natural and artificial photosynthesis.
机构信息
Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, IL 60439, USA.
出版信息
Photosynth Res. 2009 Nov-Dec;102(2-3):267-79. doi: 10.1007/s11120-009-9475-6.
Abstract
Advances in X-ray light sources and detectors have created opportunities for advancing our understanding of structure and structural dynamics for supramolecular assemblies in solution by combining X-ray scattering measurement with coordinate-based modeling methods. In this review the foundations for X-ray scattering are discussed and illustrated with selected examples demonstrating the ability to correlate solution X-ray scattering measurements to molecular structure, conformation, and dynamics. These approaches are anticipated to have a broad range of applications in natural and artificial photosynthesis by offering possibilities for structure resolution for dynamic supramolecular assemblies in solution that can not be fully addressed with crystallographic techniques, and for resolving fundamental mechanisms for solar energy conversion by mapping out structure in light-excited reaction states.
摘要
X 射线光源和探测器的进步为我们通过将 X 射线散射测量与基于坐标的建模方法相结合来提高对溶液中超分子组装体结构和结构动力学的理解提供了机会。在这篇综述中，讨论了 X 射线散射的基础，并通过选择的例子说明了将溶液 X 射线散射测量与分子结构、构象和动力学相关联的能力。这些方法有望在自然和人工光合作用中得到广泛应用，为无法完全用晶体学技术解决的溶液中动态超分子组装体的结构分辨率以及通过绘制光激发反应状态中的结构来解决太阳能转换的基本机制提供了可能性。
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