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Literature summary for 2.7.7.27 extracted from

  • Chen, B.Y.; Janes, H.W.
    Multiple forms of ADP-glucose pyrophosphorylase from tomato leaf (1998), Physiol. Plant., 103, 491-496.
No PubMed abstract available
Search for more literature for 2.7.7.27

Activating Compound

Activating Compound Comment Organism Structure
3-phosphoglycerate
-
 Solanum lycopersicum

Inhibitors

Inhibitors Comment Organism Structure
phosphate
-
 Solanum lycopersicum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.05
-
 ATP pH 7.4, 37°C, leaf enzyme, in presence of 3-phosphoglycerate Solanum lycopersicum
0.086
-
 alpha-D-glucose 1-phosphate pH 7.4, 37°C, fruit enzyme, in presence of 3-phosphoglycerate Solanum lycopersicum
0.12
-
 ATP pH 7.4, 37°C, fruit enzyme, in presence of 3-phosphoglycerate Solanum lycopersicum
0.22
-
 alpha-D-glucose 1-phosphate pH 7.4, 37°C, leaf enzyme, in presence of 3-phosphoglycerate Solanum lycopersicum

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol fruit enzyme Solanum lycopersicum 5829
-
plastid leaf end fruit enzyme Solanum lycopersicum 9536
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
 leaf: x * 50000 + x * 54000 SDS-PAGE, two-dimensional PAGE reveals at least six isoforms of the large subunit and two isoforms of the small subunit, fruit: x * 50000 + x * 51000 SDS-PAGE Solanum lycopersicum
51000
-
 leaf: x * 50000 + x * 54000 SDS-PAGE, two-dimensional PAGE reveals at least six isoforms of the large subunit and two isoforms of the small subunit, fruit: x * 50000 + x * 51000 SDS-PAGE Solanum lycopersicum
54000
-
 leaf: x * 50000 + x * 54000 SDS-PAGE, two-dimensional PAGE reveals at least six isoforms of the large subunit and two isoforms of the small subunit, fruit: x * 50000 + x * 51000 SDS-PAGE Solanum lycopersicum
200000
-
-
 Solanum lycopersicum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + alpha-D-glucose 1-phosphate Solanum lycopersicum key regulatory enzyme of starch biosynthesis diphosphate + ADP-glucose
-
 ?

Organism

Organism UniProt Comment Textmining
Solanum lycopersicum
-
 Mill. cv. Laura
-

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Solanum lycopersicum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
65
-
-
 Solanum lycopersicum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + alpha-D-glucose 1-phosphate
-
 Solanum lycopersicum diphosphate + ADP-glucose
-
 ?
ATP + alpha-D-glucose 1-phosphate key regulatory enzyme of starch biosynthesis Solanum lycopersicum diphosphate + ADP-glucose
-
 ?

Subunits

Subunits Comment Organism
heterotetramer leaf: x * 50000 + x * 54000 SDS-PAGE, two-dimensional PAGE reveals at least six isoforms of the large subunit and two isoforms of the small subunit, fruit: x * 50000 + x * 51000 SDS-PAGE Solanum lycopersicum