Nitrate-transporting ATPase

nitrate transmembrane-transporting ATPase
Identifiers
EC number	3.6.3.26
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Gene Ontology	AmiGO / EGO
Search PMC articles PubMed articles

In enzymology, a nitrate-transporting ATPase (EC 3.6.3.26) is an enzyme that catalyzes the chemical reaction

ATP + H₂O + nitrateout $\rightleftharpoons$ ADP + phosphate + nitratein

The 3 substrates of this enzyme are ATP, H₂O, and nitrate, whereas its 3 products are ADP, phosphate, and nitrate.

This enzyme belongs to the family of hydrolases, specifically those acting on acid anhydrides to catalyse transmembrane movement of substances. The systematic name of this enzyme class is ATP phosphohydrolase (nitrate-importing).

References

• Omata T (1995). "Structure, function and regulation of the nitrate transport system of the cyanobacterium Synechococcus sp. PCC7942". Plant. Cell. Physiol. 36 (2): 207–13. PMID 7767600. 
• Kuan G, Dassa E, Saurin W, Hofnung M, Saier MH Jr (1995). "Phylogenetic analyses of the ATP-binding constituents of bacterial extracytoplasmic receptor-dependent ABC-type nutrient uptake permeases". Res. Microbiol. 146 (4): 271–8. doi:10.1016/0923-2508(96)81050-3. PMID 7569321. 
• Saier MH Jr (1998). "Molecular phylogeny as a basis for the classification of transport proteins from bacteria, archaea and eukarya". Adv. Microb. Physiol. 40: 81–136. doi:10.1016/S0065-2911(08)60130-7. PMID 9889977. 
• Griffiths JK and Sansom CE. The Transporter Factsbook, Academic Press, San Diego, 1998. 

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