Cloned (Comment) | Organism |
---|---|
expressed as GUS-fusion protein in Arabidopsis thaliana | Arabidopsis thaliana |
Protein Variants | Comment | Organism |
---|---|---|
additional information | construction of a knockout mutant, no effect on plant growth, no changes in nitrate uptake upon acid load or medium acidification | Arabidopsis thaliana |
Localization | Comment | Organism | GeneOntology No. | Textmining |
---|---|---|---|---|
membrane | accumulation of enzyme upon acid load or medium acidification | Arabidopsis thaliana | 16020 | - |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
61099 | - |
x * 61099, calculated from the deduced amino acid sequence | Arabidopsis thaliana |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | Arabidopsis thaliana | efflux nitrate transport through the cell membrane, increased transport rates in acidic conditions without enhancement of transcript levels but increased enzyme level resulting from posttranscriptional processes, involved in nitrate distribution although this seems not be essential for correct plant growth in standard growth conditions | ? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Arabidopsis thaliana | Q9M1E2 | formerly unidentified protein; light and N-status does not affect enzyme level | - |
Reaction | Comment | Organism | Reaction ID |
---|---|---|---|
ATP + H2O + nitrate-[nitrate-binding protein][side 1] = ADP + phosphate + nitrate[side 2] + [nitrate-binding protein][side 1] | efflux transporter coupled to the ATP-dependent H+ pumping activity, transports intracellular nitrate through the membrane out of the cell | Arabidopsis thaliana |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
root | mainly in the cortex of mature roots | Arabidopsis thaliana | - |
shoot | lower level than in roots | Arabidopsis thaliana | - |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | efflux nitrate transport through the cell membrane, increased transport rates in acidic conditions without enhancement of transcript levels but increased enzyme level resulting from posttranscriptional processes, involved in nitrate distribution although this seems not be essential for correct plant growth in standard growth conditions | Arabidopsis thaliana | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
? | x * 61099, calculated from the deduced amino acid sequence | Arabidopsis thaliana |
Synonyms | Comment | Organism |
---|---|---|
NAX1 | nitrate excretion transporter, belongs to the NRT1/PTR transporter family | Arabidopsis thaliana |
pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
---|---|---|---|
6.5 | - |
- |
Arabidopsis thaliana |