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Literature summary for 2.7.7.5 extracted from

  • Adams, C.A.; Nicholas, D.J.D.
    Adenosine 5-pyrophosphate sulphurylase in bakers yeast (1972), Biochem. J., 128, 647-654.
    View publication on PubMedView publication on EuropePMC

General Stability

General Stability Organism
very heat labile Saccharomyces cerevisiae

Inhibitors

Inhibitors Comment Organism Structure
adenosine 5'-phosphosulfate substrate inhibition above 1 mM Saccharomyces cerevisiae
arsenate
-
Saccharomyces cerevisiae
N-ethylmaleimide
-
Saccharomyces cerevisiae
p-chloromercuribenzoate very potent inhibitor, partially reversible by thiol-containing reagents Saccharomyces cerevisiae
phosphate substrate inhibition above 20 mM Saccharomyces cerevisiae

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ strong inhibition Saccharomyces cerevisiae
Cu2+ strong inhibition Saccharomyces cerevisiae
Mg2+ strong inhibition Saccharomyces cerevisiae
Mn2+ strong inhibition 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 role in production of sulfated and reduced sulfur compounds postulated ADP + SO42-
-
?

Organism

Organism UniProt Comment Textmining
Saccharomyces cerevisiae
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Saccharomyces cerevisiae

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.03
-
purified enzyme, 30°C, pH 7.5 Saccharomyces cerevisiae

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ADP + phosphate
-
Saccharomyces cerevisiae phosphate + ADP
-
?
additional information no activity with AMP, ATP or diphosphate Saccharomyces cerevisiae ?
-
?
phosphate + adenosine 5'-phosphosulfate
-
Saccharomyces cerevisiae ADP + SO42-
-
?
phosphate + adenosine 5'-phosphosulfate role in production of sulfated and reduced sulfur compounds postulated Saccharomyces cerevisiae ADP + SO42-
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
30
-
fairly stable for 20 min Saccharomyces cerevisiae
40
-
rapid inactivation Saccharomyces cerevisiae

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
6.5 8
-
Saccharomyces cerevisiae

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 8 rapid loss of activity below pH 6 or above pH 8 Saccharomyces cerevisiae