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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Methods+Enzymol 2021 ; 653 (ä): 207-235 Nephropedia Template TP
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SARS-CoV-2 3a expression, purification, and reconstitution into lipid nanodiscs #MMPMID34099172
Kern DM; Brohawn SG
Methods Enzymol 2021[]; 653 (ä): 207-235 PMID34099172show ga
The SARS-CoV-2 3a protein is a putative ion channel implicated in virus life cycle and pathogenesis. We recently expressed, purified, and reconstituted 3a into lipid nanodiscs to solve its structure by cryo-EM to 2.1A resolution. In this chapter, we describe methods we developed in order to facilitate the study of this protein in other laboratories. We emphasize factors that enabled rapid progression from gene sequence to reconstituted protein (3 weeks in the case of 3a) and provide general observations and tips for adapting these protocols to other membrane proteins of interest.