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Literature summary for 7.2.2.3 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
Search for more literature for 7.2.2.3

Cloned(Commentary)

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

Inhibitors

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

KM Value [mM]

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

Metals/Ions

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

Molecular Weight [Da]

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

Organism

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

Reaction

Reaction Comment Organism Reaction ID
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)

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