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. 2019 Dec 19;10:2847. doi: 10.3389/fmicb.2019.02847

FIGURE 1.

FIGURE 1

Model pathway for translocation, processing, sorting, and export of FHbp in Neisseria meningitidis. Preprolipoproteins are synthesized in the cytoplasm and as they emerge from ribosomes bind chaperones such as SecA, which translocate them across the IM via SecYEG. Lgt disacylates the preprolipoprotein at the conserved C residue of the lipobox of the SP, next LspA cleaves the SP exposing the C residue for further acylation by Lnt (da Silva et al., 2017). The Lol apparatus (LolFD) in N. meningitidis sorts the triacylated lipoprotein to the OM by delivering this to chaperone LolA, which releases the mature lipoprotein to the OM lipoprotein acceptor, LolB (da Silva et al., 2017). SLAM then localizes FHbp to the cell surface (Hooda et al., 2016).