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Literature summary for 3.1.3.37 extracted from

  • Woodrow, I.E.
    Sedoheptulose-1,7-bisphosphatase from wheat chloroplasts (1982), Methods Enzymol., 90, 392-396.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol activates Triticum aestivum
dithiothreitol activates Triticum aestivum

Inhibitors

Inhibitors Comment Organism Structure
Ca2+ 0.7 mM, 50% inhibition Triticum aestivum
additional information no substrate inhibition up to 2 mM Triticum aestivum
phosphate competitive Triticum aestivum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.014
-
sedoheptulose 1,7-bisphosphate at pH 8.2, in presence of 10 mM Mg2+ Triticum aestivum

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast
-
Triticum aestivum 9507
-

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required Triticum aestivum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
56000
-
gel filtration Triticum aestivum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Triticum aestivum one of several enzymes of the reductive pentose phosphate pathway ?
-
?

Organism

Organism UniProt Comment Textmining
Triticum aestivum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Triticum aestivum

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
Triticum aestivum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.25
-
-
Triticum aestivum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information one of several enzymes of the reductive pentose phosphate pathway Triticum aestivum ?
-
?
sedoheptulose 1,7-bisphosphate + H2O
-
Triticum aestivum sedoheptulose 7-phosphate + phosphate
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.2 8.5
-
Triticum aestivum

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.7
-
Ca2+
-
Triticum aestivum