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Literature summary for 3.1.3.37 extracted from

  • Breazeale, V.D.; Buchanan, B.B.; Wolosiuk, R.A.
    Chloroplast sedoheptulose 1,7-bisphosphatase: evidence for regulation by the ferredoxin/thioredoxin system (1978), Z. Naturforsch. C, 33, 521-528.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
dithiothreitol activates Spinacia oleracea
reduced ferredoxin activates Spinacia oleracea

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast
-
Spinacia oleracea 9507
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required Spinacia oleracea
Mn2+ can partially replace Mg2+ in activation Spinacia oleracea

Organism

Organism UniProt Comment Textmining
Spinacia oleracea
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
D-fructose 6-phosphate + H2O 15% of the activity with sedoheptulose 1,7-diphosphate Spinacia oleracea D-fructose + phosphate
-
?
fructose 1,6-bisphosphate + H2O 22% of the activity with sedoheptulose 1,7-diphosphate Spinacia oleracea phosphate + ?
-
?
Fructose 1-phosphate + H2O 11% of the activity with sedoheptulose 1,7-diphosphate Spinacia oleracea Fructose + phosphate
-
?
glucose 1,6-diphosphate + H2O 11% of the activity with sedoheptulose 1,7-diphosphate Spinacia oleracea phosphate + ?
-
?
glucose 1-phosphate + H2O 5.5% of the activity with sedoheptulose 1,7-diphosphate Spinacia oleracea glucose + phosphate
-
?
ribulose 1,5-diphosphate + H2O 5.5% of the activity with sedoheptulose 1,7-diphosphate Spinacia oleracea phosphate + ?
-
?
sedoheptulose 1,7-bisphosphate + H2O
-
Spinacia oleracea sedoheptulose 7-phosphate + phosphate
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8 9
-
Spinacia oleracea

pH Range

pH Minimum pH Maximum Comment Organism
7.6 9.2 pH 7.6: about 45% of maximal activity, pH 9.2: about 75% of maximal activity Spinacia oleracea