1

NRT1.1

Nitrate

Dual affinity

[75]

2

NRT1.2

Nitrate

Low affinity

[157]

3

NRT1.3

Nitrate

Dual affinity

[232]

4

NRT1.4

Nitrate

Low affinity

[289]

5

NRT1.5

Nitrate

Low affinity

[245]

6

NRT1.6

Nitrate

Low affinity

[327]

7

NRT1.7

Nitrate

Low affinity

[328]

8

NRT1.8

Nitrate

Low affinity

[286]

9

NRT1.9

Nitrate

Low affinity

[292]

10

NRT1.10

Nitrate

Low affinity

[434]

11

NRT1.11

Nitrate

Low affinity

[329]

12

NRT1.12

Nitrate

Low affinity

[329]

13

NAXT1

Nitrate

Low affinity

[246]

14

NRT2.1

Nitrate

High affinity

[76] [159] [225]

15

NRT2.2

Nitrate

High affinity

[232]

16

NRT2.3

Nitrate

High affinity

[287]

17

NRT2.4

Nitrate

High affinity

[227]

18

NRT2.5

Nitrate

High affinity

[477]

19

NRT2.6

Nitrate

High affinity

[172] [477]

20

NRT2.7

Nitrate

High affinity

[303] .

21

CLCa

Nitrate

-

[180]

22

CLCb

Nitrate

-

[181]

23

SLAC1

Nitrate

-

[182]

24

SLAH

Nitrate

-

[182]

25

ALMT12

Nitrate

-

[210]

26

AMT1.1

Ammonium

High affinity

[168]

27

AMT1.2

Ammonium

High affinity

[67]

28

AMT1.3

Ammonium

High affinity

[58]

29

AMT2.1

Ammonium

Low affinity

[171]

30

AMT2.2

Ammonium

Low affinity

[265] [266]

31

AMT2.3

Ammonium

Low affinity

[220]

32

AMT3.1

Ammonium

Low affinity

[267]

33

AMT3.2

Ammonium

Low affinity

[268]

34

AMT3.3

Ammonium

Low affinity

[169] [220]

35

TIP

Urea Ammonium

Low affinity

[193] [242]

36

DUR3

Urea

High affinity

[158]

37

NIP

Urea

Low affinity

[241]