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Literature summary for 2.4.1.21 extracted from

  • Preusser, E.; Khalil, F.A.; Goering, H.
    Regulation of activity of the granule-bound starch synthetase by monovalent cations (1981), Biochem. Physiol. Pflanz., 176, 744-752.
No PubMed abstract available
Search for more literature for 2.4.1.21

Inhibitors

Inhibitors Comment Organism Structure
Cs+ above 20 mM Solanum tuberosum
Cs+ above 20 mM Zea mays
Li+ above 20 mM Solanum tuberosum
Li+ above 20 mM Zea mays
Na+ above 20 mM Solanum tuberosum
Na+ above 20 mM Zea mays
NH4+ above 20 mM Solanum tuberosum
NH4+ above 20 mM Zea mays

Localization

Localization Comment Organism GeneOntology No. Textmining
starch grain
-
 Zea mays 43036
-
starch grain
-
 Solanum tuberosum 43036
-

Metals/Ions

Metals/Ions Comment Organism Structure
Cs+ below 20 mM, slight activation, concentrations higher than 20 mM abolish activation by K+ and Rb+ Zea mays
Cs+ below 20 mM, slight activation, concentrations higher than 20 mM abolish activation by K+ and Rb+ Solanum tuberosum
K+ 50-100 mM, marked activation Zea mays
K+ 50-100 mM, marked activation Solanum tuberosum
Li+ below 20 mM, slight activation, concentrations higher than 20 mM abolish activation by K+ and Rb+ Zea mays
Li+ below 20 mM, slight activation, concentrations higher than 20 mM abolish activation by K+ and Rb+ Solanum tuberosum
Na+ below 20 mM, slight activation, concentrations higher than 20 mM abolish activation by K+ and Rb+ Zea mays
Na+ below 20 mM, slight activation, concentrations higher than 20 mM abolish activation by K+ and Rb+ Solanum tuberosum
NH4+ below 20 mM, slight activation, concentrations higher than 20 mM abolish activation by K+ and Rb+ Zea mays
NH4+ below 20 mM, slight activation, concentrations higher than 20 mM abolish activation by K+ and Rb+ Solanum tuberosum
Rb+ 50-100 mM, marked activation Zea mays
Rb+ 50-100 mM, marked activation Solanum tuberosum

Organism

Organism UniProt Comment Textmining
Solanum tuberosum
-
-
-
Vicia faba
-
-
-
Zea mays
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Zea mays
-
 Solanum tuberosum

Source Tissue

Source Tissue Comment Organism Textmining
leaf
-
 Solanum tuberosum
-
seed
-
 Zea mays
-
tuber
-
 Solanum tuberosum
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ADP-glucose + alpha-1,4-polyglucan
-
 Vicia faba ADP + alpha-1,4-polyglucan
-
 ?
ADP-glucose + alpha-1,4-polyglucan
-
 Zea mays ADP + alpha-1,4-polyglucan
-
 ?
ADP-glucose + alpha-1,4-polyglucan
-
 Solanum tuberosum ADP + alpha-1,4-polyglucan
-
 ?