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. 2019 Sep 12;294(46):17168–17185. doi: 10.1074/jbc.RA119.008865

Table 2.

IPA competition for Sec18 binding and function

mSec18 is monomeric Sec18; hSec18 is hexameric Sec18; Lip. is liposomes; NA is not applicable.

Analyte Ligand Competitor Method IC50
mSec18 5% PA Lip. 8 μm IPA SPR 762 nm
D1 5% PA Lip. 8 μm IPA SPR 220 nm
D2 5% PA Lip. 8 μm IPA SPR 641 nm
mSec18 Sonicated Lip. IPA Lip. floatation 3 μm
NA Isolated vacuoles IPA Fusion 50 μm
NA hSec18 IPA Fusion priming 50 μm