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

ATP + H₂O + nitrateout 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 acting on acid anhydrides to catalyse transmembrane movement of substances. The systematic name of this enzyme class is ATP phosphohydrolase (nitrate-importing).

References

• IUBMB entry for 3.6.3.26
• BRENDA references for 3.6.3.26 (Recommended.)
• PubMed references for 3.6.3.26
• PubMed Central references for 3.6.3.26
• Google Scholar references for 3.6.3.26
• Omata T (1995). "Structure, function and regulation of the nitrate transport system of the cyanobacterium Synechococcus sp. PCC7942". Plant. Cell. Physiol. 36: 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: 271–8. 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. PMID 9889977. 
• Griffiths JK and Sansom CE. The Transporter Factsbook, Academic Press, San Diego, 1998. 

External links

• IUBMB entry for 3.6.3.26

• KEGG entry for 3.6.3.26

• BRENDA entry for 3.6.3.26

• NiceZyme view of 3.6.3.26

• EC2PDB: PDB structures for 3.6.3.26

• PRIAM entry for 3.6.3.26

• PUMA2 entry for 3.6.3.26

• IntEnz: Integrated Enzyme entry for 3.6.3.26

• MetaCyc entry for 3.6.3.26

• Atomic-resolution structures of enzymes belonging to this class

Gene Ontology (GO) codes

• EGO entry for GO code 0015414: nitrate transmembrane-transporting ATPase

• AMIGO entry for GO code 0015414: nitrate transmembrane-transporting ATPase

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