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Literature summary for 2.7.7.27 extracted from

  • Fuchs, R.L.; Smith, J.D.
    The purification and characterization of ADP-glucose pyrophosphorylase A from developing maize seeds (1979), Biochim. Biophys. Acta, 566, 40-48.
    View publication on PubMed
Search for more literature for 2.7.7.27

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.038
-
 alpha-D-glucose 1-phosphate pH 8.0, 37°C Zea mays
0.18
-
 ATP pH 8.0, 37°C Zea mays

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
96000
-
 4 * 96000, SDS-PAGE Zea mays
235000
-
 enzyme B, gel filtration Zea mays
375000
-
 enzyme A, gel filtration Zea mays
400000
-
 enzyme A, PAGE Zea mays

Organism

Organism UniProt Comment Textmining
Zea mays
-
 var. TX-40, TX-601
-
Zea mays
-
 starchy maize
-

Purification (Commentary)

Purification (Comment) Organism
endosperm Zea mays
isozyme A Zea mays
partial Zea mays

Source Tissue

Source Tissue Comment Organism Textmining
endosperm
-
 Zea mays
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
1.43
-
-
 Zea mays

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + alpha-D-glucose 1-phosphate
-
 Zea mays diphosphate + ADP-glucose
-
 ?

Subunits

Subunits Comment Organism
homotetramer 4 * 96000, SDS-PAGE Zea mays

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
additional information
-
-
 Zea mays

pI Value

Organism Comment pI Value Maximum pI Value
Zea mays ADP-glucose pyrophosphorylase B
-
 7.02