TABLE 2.

Complementation of K⁺ transport activity of TK2420 on modified NaK solid medium with added KCl

Construct	Growtha with KCl addition (mM)
	0	2	4
pTM1088A/B	−	(−)	+
pTM1057	−	+	+
pTM1088A/B-TM1089	+	+	+
pTM1088B-TM1089	(−)	+	+
pTM1089	−	(−)	+
pTM1088A/B G14A G16A G19A TM1089	+	ND	ND
pSpeedET no insert	−	(−)	+

^a+, good growth; (−), barely visible growth; −, no growth. ND, not determined.