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Literature summary for 2.7.7.5 extracted from

  • Nicholls, R.
    Purification and steady-state kinetics of adenosine 5-pyrophosphate sulphurylase from bakers yeast (1977), Biochem. J., 165, 149-155.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 2.7.7.5

Inhibitors

Inhibitors Comment Organism Structure
phosphate competitive Saccharomyces cerevisiae
sulfate very poor inhibition in combination with increased ionic strength Saccharomyces cerevisiae

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
1.2
-
 adenosine 5'-phosphosulfate 30°C, pH 8 Saccharomyces cerevisiae
4.9
-
 phosphate 30°C, pH 8 Saccharomyces cerevisiae

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
phosphate + adenosine 5'-phosphosulfate Saccharomyces cerevisiae
-
 ADP + SO42-
-
 ?

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.8
-
 purified enzyme, 30°C, pH 8 Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
phosphate + adenosine 5'-phosphosulfate
-
 Saccharomyces cerevisiae ADP + SO42-
-
 ?
phosphate + adenosine 5'-phosphosulfate ping pong reaction mechanism Saccharomyces cerevisiae ADP + SO42-
-
 r

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
11.7
-
 phosphate 30°C, pH 8 Saccharomyces cerevisiae
167
-
 sulfate 4 mM adenosine 5'-phosphosulfate, 30°C, pH 8 Saccharomyces cerevisiae