2YNQ:
reference: The architecture of EssB, an integral membrane component of the type VII secretion system., Zoltner M, Norman DG, Fyfe PK, El Mkami H, Palmer T, Hunter WN, Structure. 2013 Apr 2;21(4):595-603. doi: 10.1016/j.str.2013.02.007. Epub 2013, Mar 14. PMID: 23499020

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