Table I. List of transport proteins with impact on photosynthetic capacity.

Name	Shortcut	Arabidopsis Gene	Substrates	Mode of Transport	Net Transport
Aquaporin	AQP	Analyzed in tobacco (Nicotiana tabacum)	CO2	Channel	CO2
Triosephosphate/phosphate translocator	TPT	At5g46110	TP, phosphate	Antiport	Three carbon moieties
			TP, 3-PGA	Antiport	One reducing equivalent, reduced
Dicarboxylate translocator 1	DiT1	At5g12860	OAA, malate	Antiport	One reducing equivalent, reduced
Suc symporter 1	SUT1	Characterized in sugar beet (Beta vulgaris)	Suc, protons	Symport	12 carbon moieties
Glc-6-P/phosphate translocator	GPT	At5g54800, At1g61800	Glc-6-P, phosphate	Antiport	Six carbon moieties
Adenine nucleotide transporter	NTT	At1g80300, At1g15500	ATP, ADP	Antiport	Energy, phosphate
Dicarboxylate translocator 1	DiT1	At5g12860	2-Oxoglutarate, malate	Antiport	One amino group (together with DiT2)
Dicarboxylate translocator 2	DiT2	At5g64290, At5g64280	Glu, malate	Antiport	One amino group (together with DiT1)
Phosphoenolpyruvate/phosphate translocator	PPT	At5g33320, At3g01550	Phosphoenolpyruvate, phosphate	Antiport	Three carbon moieties
S-adenosyl-Met transporter	SAMT	At4g39460	S-adenosyl-Met, S-adenosyl homo-Cys	Antiport	Activate one carbon group