4WJ2:
reference: Structure of EspB from the ESX-1 Type VII Secretion System and Insights into its Export Mechanism., Solomonson M, Setiaputra D, Makepeace KA, Lameignere E, Petrotchenko EV, Conrady DG, Bergeron JR, Vuckovic M, DiMaio F, Borchers CH, Yip CK, Strynadka NC, Structure. 2015 Mar 3;23(3):571-83. doi: 10.1016/j.str.2015.01.002. Epub 2015 Feb, 12. PMID: 25684576

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