Table 1. Michaelis-Menten kinetic parameters for the initial rate of L-Tyr uptake by TgApiAT5-3^a.

[L-Tyr]trans (mM)	Scatchard Linear Regression		Michaelis-Menten Plot
	K0.5 (μM)	Vmax (pmol/min × oocyte)	K0.5 (μM)	Vmax (pmol/min × oocyte)
0	0.36	5.23	0.37	5.43
0.02	0.37	5.70	0.31	6.06
0.08	0.38	6.25	0.29	7.91
0.15	0.34	9.13	0.25	8.93
0.44	0.40	18.83	0.32	15.98
1.78	0.39	29.25	0.36	27.0

^a Values are based on the experiment shown in Fig 5D.