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. 2017 Oct 17;7:13373. doi: 10.1038/s41598-017-13682-9

Figure 3.

Figure 3

Scheme of SN38 conjugation to anti-PLAC1 antibody. SN38 was first modified as SN38–20-O-glycinate TFA salt to prepare linkable SN38 in three steps as descibed in materials and methods. Anti-PLAC1 antibody was oxidized with sodium metaperiodate and was reacted with SN38-20-O-glycine. The resultant conjugate was mixed with sodium borohydride to prepare stabilized secondary amine linkage (C-N).