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. 2020 May 12;11:890. doi: 10.3389/fmicb.2020.00890

FIGURE 2.

FIGURE 2

Spy ligation to the Hbp display platform containing an internal SpyTag. OMVs containing the Hbp display platform with a SpyTag at different positions (domain 1, 2, or 4) between either five amino acid long linkers (5/5) or ten amino acid long linkers (10/10) were incubated with SpC-MBP (M) or with SpC-TrxA (T). Protein ligation was analyzed by SDS-PAGE with Coomassie staining. Identical amounts of OMV material (OD660 units) were loaded in each lane. Below the gel image lane numbers are indicated.