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. 2013 Jul 5;8(7):e68328. doi: 10.1371/journal.pone.0068328

Table 3. Biochemical and cellular activity of SKII.

IC50 of SKII
hSPHK1 (biochemical) [µM] 17.5
hSPHK2 (biochemical) [µM] 13.0
mSPHK1 (biochemical) [µM] >10
mSPHK2 (biochemical) [µM] >10
Endogenous S1P production (LOX) [µM] 7.5
Viability (LOX cells) [µM] 11.3