S. No

Name of the protein

Function

Reference

1

NRT1.6

Seed nitrate storage

[327]

2

NRT1.7

Nitrogen remobilization

[328]

3

NRT1.11

Nitrate remobilization from xylem to phloem

[329]

4

NRT1.12

Nitrate remobilization from xylem to phloem

[329]

5

NRT2.4

Nitrogen remobilization

[227]

6

DUR3

Urea remobilization

[239]

7

TIP1; 3

Pollen development

[330]

8

TIP5; 1

Mitochondrial urea transport

[330] [331] .