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Literature summary for 5.3.1.9 extracted from

  • Sangwan, R.S.; Singh.R.
    Characterization of amyloplastic phosphohexose isomerase from immature wheat (Triticum aestivum L.) endosperm (1990), Indian J. Biochem. Biophys., 27, 23-27.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
6-phosphogluconate
-
Triticum aestivum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information the pH-value has a great influence on the Km-value for fructose 6-phosphate Triticum aestivum
0.12
-
fructose 6-phosphate fructose 6-phosphate, at pH 8.6 Triticum aestivum
0.44
-
glucose 6-phosphate at pH 8.6 Triticum aestivum

Localization

Localization Comment Organism GeneOntology No. Textmining
amyloplast
-
Triticum aestivum 9501
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
130000
-
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 probable role of the enzyme in starch biosynthesis in amyloplasts ?
-
?

Organism

Organism UniProt Comment Textmining
Triticum aestivum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Triticum aestivum

Source Tissue

Source Tissue Comment Organism Textmining
endosperm
-
Triticum aestivum
-

Storage Stability

Storage Stability Organism
4°C, stable for more than 1 month Triticum aestivum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Fructose 6-phosphate r Triticum aestivum Glucose 6-phosphate
-
?
Glucose 6-phosphate r Triticum aestivum Fructose 6-phosphate
-
?
additional information probable role of the enzyme in starch biosynthesis in amyloplasts Triticum aestivum ?
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
15 min, stable Triticum aestivum
55
-
15 min, 50% loss of activity Triticum aestivum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.6
-
-
Triticum aestivum