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Literature summary extracted from

  • Benito, B.; Garciadeblas, B.; Schreier, P.; Rodriguez-Navarro, A.
    Novel P-type ATPases mediate high-affinity potassium or sodium uptake in fungi (2004), Eukaryot. Cell, 3, 359-368.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

EC Number Cloned (Comment) Organism
7.2.2.3 expression in Saccharomyces cerevisiae Ustilago maydis
7.2.2.3 expression in Saccharomyces cerevisiae Millerozyma farinosa

Inhibitors

EC Number Inhibitors Comment Organism Structure
7.2.2.3 Carbonyl cyanide m-chlorophenylhydrazone 0.1 mM, only partial inhibition Millerozyma farinosa
7.2.2.3 Carbonyl cyanide m-chlorophenylhydrazone 0.1 mM, complete inhibition Ustilago maydis
7.2.2.3 K+ in micromolar concentrations Millerozyma farinosa
7.2.2.3 K+ in micromolar concentrations Ustilago maydis
7.2.2.3 additional information high affinity Na+ uptake is not inhibited by Ba2+ Millerozyma farinosa

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
7.2.2.3 0.0005 0.0015 K+ pH 6.0, approximately Ustilago maydis
7.2.2.3 0.0005 0.0015 Na+ pH 6.0, approximately Ustilago maydis
7.2.2.3 0.1
-
 Na+ pH 6.0, approximately Ustilago maydis

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
7.2.2.3 Ba2+ high affinity Na+ uptake is not inhibited by this cation Ustilago maydis
7.2.2.3 NH4+ 0.1 mM does not produce any noticeable effect in K+ uptake Ustilago maydis

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
7.2.2.3 119700
-
 calculation from sequence of cDNA Ustilago maydis
7.2.2.3 123000
-
 calculation from sequence of cDNA Millerozyma farinosa
7.2.2.3 123500
-
 calculation from sequence of cDNA Ustilago maydis

Organism

EC Number Organism UniProt Comment Textmining
7.2.2.3 Candida albicans Q5A9B2 acu1
-
7.2.2.3 Millerozyma farinosa Q703G3 acu1
-
7.2.2.3 Pyricularia grisea Q703F6 acu2
-
7.2.2.3 Pyricularia grisea Q703F7 acu1
-
7.2.2.3 Ustilago maydis Q703G5 acu1
-
7.2.2.3 Ustilago maydis Q703G5 acu2
-

Reaction

EC Number Reaction Comment Organism Reaction ID
7.2.2.3 ATP + H2O + n Na+[side 1] = ADP + phosphate + n Na+[side 2] the enzyme function is triggered when the cells are suffering K+ starvation Ustilago maydis
a

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
7.2.2.3 ATP + H2O + K+/in
-
 Ustilago maydis ADP + phosphate + K+/out
-
 ?
7.2.2.3 ATP + H2O + K+/in
-
 Millerozyma farinosa ADP + phosphate + K+/out
-
 ?
7.2.2.3 ATP + H2O + Na+/in
-
 Ustilago maydis ADP + phosphate + Na+/out
-
 ?
7.2.2.3 ATP + H2O + Na+/in
-
 Millerozyma farinosa ADP + phosphate + Na+/out
-
 ?
7.2.2.3 ATP + H2O + Rb+/in is transported as efficiently as K+ Ustilago maydis ADP + phosphate + Rb+/out
-
 ?
7.2.2.3 additional information Li+ and NH4+ are not transported by the enzyme Ustilago maydis ?
-
 ?
7.2.2.3 additional information NH4+ is not transported by the enzyme Ustilago maydis ?
-
 ?