3Q4H:
reference: Heterologous expression of mycobacterial Esx complexes in Escherichia coli for structural studies is facilitated by the use of maltose binding protein fusions., Arbing MA, Chan S, Harris L, Kuo E, Zhou TT, Ahn CJ, Nguyen L, He Q, Lu J, Menchavez PT, Shin A, Holton T, Sawaya MR, Cascio D, Eisenberg D, PLoS One. 2013 Nov 29;8(11):e81753. doi: 10.1371/journal.pone.0081753., eCollection 2013. PMID: 24312350

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