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Literature summary 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

EC Number Activating Compound Comment Organism Structure
3.1.3.37 dithiothreitol activates Spinacia oleracea
3.1.3.37 reduced ferredoxin activates Spinacia oleracea

Localization

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

Metals/Ions

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

Organism

EC Number Organism UniProt Comment Textmining
3.1.3.37 Spinacia oleracea
-
-
-

Substrates and Products (Substrate)

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

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.3.37 8 9
-
 Spinacia oleracea

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.1.3.37 7.6 9.2 pH 7.6: about 45% of maximal activity, pH 9.2: about 75% of maximal activity Spinacia oleracea