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Custom Design of a Humidifier Chamber for In Meso Crystallization
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DOI：10.1021/acs.cgd.3c01034.png)
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Abstract
En 中文
Membrane proteins are indispensable for every living organism, yet their structural organization remains underexplored. Despite the recent advancements in single-particle cryogenic electron microscopy and cryogenic electron tomography, which have significantly increased the structural coverage of membrane proteins across various kingdoms, certain scientific methods, such as time-resolved crystallography, still mostly rely on crystallization techniques, such as lipidic cubic phase (LCP) or in meso crystallization. In this study, we present an open-access blueprint for a humidity control chamber designed for LCP/in meso crystallization experiments using a Gryphon crystallization robot. Using this chamber, we have obtained crystals of a transmembrane aspartate transporter Glt(Tk )from Thermococcus kodakarensis in a lipidic environment using in meso crystallization. The data collected from these crystals allowed us to perform an analysis of lipids bound to the transporter. With this publication of our open-access design of a humidity chamber, we aim to improve the accessibility of in meso protein crystallization for the scientific community.
Keywords:
CRYSTAL-STRUCTURE
MEMBRANE
PROTEINS
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