Table 1.

K_m values of FeSUT1 for sucrose compared with values of other SUTs

Species	Transporter	Group	K m	Protein-ID	Reference
Hordeum vulgare	HvSUT1	I	7.5 mM	CAJ20123	Weschke et al., 2000
Fraxinus excelsior	FeSUT1	II	2.9±0.4 mM	AHB33870	this paper
Asarina barclaiana	AbSUT1	II	0.5 mM	AAF04294	Knop et al., 2001
Alonsoa meridionalis	AmSUT1	II	1.8 mM	AAF04295	Knop et al., 2004
Arabidopsis thaliana	AtSUC1	II	0.5 mM	CAA53147	Sauer and Stolz, 1994
Arabidopsis thaliana	AtSUC2	II	0.77 mM	CAA53150	Sauer and Stolz, 1994
Medicago truncatula	MtSUT1	II	1.7 mM	AFM28284	Doidy et al., 2012
Plantago major	PmSUC2	II	1 mM	CAA53390	Gahrtz et al., 1994
Phaseolus vulgaris	PvSUT1	II	8.5±0.7 mM	ABB30164	Zhou et al., 2007
Ricinus communis	RcScr1	II	2 mM	CAA83436	Weig and Komor, 1995
Solanum tuberosum	StSUT1	II	1 mM	CAA48915	Riesmeier et al., 1993
Spinacia oleracea	SoSUT1	II	1.5 mM	CAA47604	Riesmeier et al., 1992
Arabidopsis thaliana	AtSUT2/AtSUC3	III	11.7 mM	CAB92307	Meyer et al., 2000
Plantago major	PmSUC3	III	5.5±1.1 mM	CAD58887	Barth et al., 2003
Arabidopsis thaliana	AtSUT4	IV	11.6±0.6 mM	AAL59915	Weise et al., 2000
Daucus carota	DcSUT1a	IV	0.5 mM	CAA76367	Shakya and Sturm, 1998
Hordeum vulgare	HvSUT2	IV	5 mM	CAB75881	Weschke et al., 2000
Lotus japonicus	LjSUT4	IV	12.9 mM	CAD61275	Flemetakis et al., 2003
Oryza sativa	OsSUT2	IV	1.86±0.38 mM	BAC67163	Eom et al., 2011
Solanum tuberosum	StSUT4	IV	6.0±1.2 mM	AAG25923	Weise et al., 2000