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Literature summary for 2.7.7.4 extracted from

  • Hawes, C.S.; Nicholas, D.J.D.
    Adenosine 5-triphosphate sulphurylase from Saccharomyces cerevisiae (1973), Biochem. J., 133, 541-550.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
adenosine 5'-phosphosulfate
-
Saccharomyces cerevisiae
ATP
-
Saccharomyces cerevisiae
SO42- competitive with respect to MoO42- Saccharomyces cerevisiae
Sulfide
-
Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.07
-
ATP pH 8.0, 30°C Saccharomyces cerevisiae
0.07
-
ATP ATP in form of MgATP2- Saccharomyces cerevisiae
0.17
-
MoO42- pH 8.0, 30°C Saccharomyces cerevisiae

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Saccharomyces cerevisiae

Reaction

Reaction Comment Organism Reaction ID
ATP + sulfate = diphosphate + adenylyl sulfate sequential reaction mechanism in which both substrates bind before any product is released Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.69
-
-
Saccharomyces cerevisiae

Storage Stability

Storage Stability Organism
-15°C, stable Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + MoO42-
-
Saccharomyces cerevisiae AMP + adenylylmolybdate
-
?
ATP + sulfate
-
Saccharomyces cerevisiae diphosphate + adenylylsulfate
-
r
ATP + sulfate
-
Saccharomyces cerevisiae diphosphate + adenylyl sulfate
-
r
additional information radioisotopic exchange between the adenosine 5'-sulfatophosphate and SO42- occurs only in the presence of either MgATP2- or diphosphate Saccharomyces cerevisiae ?
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 9
-
Saccharomyces cerevisiae

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
2
-
SO42- pH 8.0, 30°C Saccharomyces cerevisiae
3.4
-
Sulfide pH 8.0, 30°C Saccharomyces cerevisiae