Table 1.

Summary of the calculated K _m and IC ₅₀ values.

Transporter	Compound	Mice Kidney Slice (µM)	Expression Model (µM)
Octn1	Ergothioneine (K m)	69.8 ± 27.6	4.6822
	Verapamil (IC 50)	151 ± 46	271 ± 44
Octn2	Verapamil (IC 50)	363 ± 142	94.1 ± 8.9
Sglt1/2	Phloridzin (IC 50)	0.265 ± 0.084	0.299 (Sglt1)33
			0.0726 (Sglt2)33
Pept1/2	Gly-Sar (K m)	161 ± 17	600 (PEPT1)37
			79.5 (PEPT2)31