Reconstitution of a minimal ESX-5 type VII secretion system suggests a role for PPE proteins in outer membrane transport of proteins
C. M. Bunduc, Y. Ding, C. Kuijl…·E. N. G. Houben
The paper reconstitutes the ESX-5 T7SS in Mycobacterium smegmatis to show that PPE proteins localize to the outer membrane and are required for active secretion.