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Literature summary for 5.3.1.9 extracted from

  • Sangwan, R.S.; Singh, R.
    Purification and properties of multiple forms of phosphoglucoisomerase from immature wheat endosperm (1987), Indian J. Biochem. Biophys., 24, 83-87.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
6-phosphogluconate competitive Triticum aestivum
ribose 5-phosphate
-
Triticum aestivum
ribulose 5-phosphate
-
Triticum aestivum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.12
-
fructose 6-phosphate fructose 6-phosphate, enzyme form PGI II Triticum aestivum
0.17
-
fructose 6-phosphate enzyme form PGI I Triticum aestivum
0.44
-
glucose 6-phosphate glucose 6-phosphate, enzyme form PGI I and PGI II Triticum aestivum

Localization

Localization Comment Organism GeneOntology No. Textmining
amyloplast enzyme form PGI II Triticum aestivum 9501
-
cytosol
-
Triticum aestivum 5829
-

Organism

Organism UniProt Comment Textmining
Triticum aestivum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
2 enzyme forms PGI I and PGI II Triticum aestivum

Source Tissue

Source Tissue Comment Organism Textmining
endosperm
-
Triticum aestivum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
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
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
45
-
15 min, enzyme form PGI I, 50% loss of activity Triticum aestivum
55
-
15 min, complete loss of activity Triticum aestivum
55
-
50% loss of activity, enzyme form PGI II Triticum aestivum
60
-
15 min, 90% loss of activity Triticum aestivum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.1
-
enzyme PGI I Triticum aestivum
8.6
-
enzyme form PGI II Triticum aestivum