Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 2.7.7.27 extracted from

  • Sowokinos, J.R.
    Pyrophphosphorylases in Solanum tuberosum, II. Catalytic properties an reguation of ADP-glucose and UDP-glucose pyrophosphorylase activities in potatoes (1981), Plant Physiol., 68, 924-929.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 2.7.7.27

Activating Compound

Activating Compound Comment Organism Structure
2,3-diphosphoglycerate no activation Solanum tuberosum
2-deoxy-D-ribose 5-phosphate activation, pyrophosphorolysis Solanum tuberosum
2-mercaptoethanol activation, at high concentration Solanum tuberosum
2-phospho-D-glycerate activation Solanum tuberosum
2-phospho-D-glycerate slight activation Solanum tuberosum
2-phospho-D-glycerate pyrophosphorolysis Solanum tuberosum
3-phosphoglycerate allosteric activation Solanum tuberosum
3-phosphoglycerate activation Solanum tuberosum
alpha-glycerol phosphate
-
 Solanum tuberosum
cysteine slight activation, at high concentration Solanum tuberosum
D-fructose 1,6-bisphosphate slight activation Solanum tuberosum
D-fructose 1,6-bisphosphate activation of pyrophosphorolysis Solanum tuberosum
D-fructose 6-phosphate activation Solanum tuberosum
D-fructose 6-phosphate activation of pyrophosphorolysis Solanum tuberosum
D-ribose 5-phosphate activation Solanum tuberosum
D-ribose 5-phosphate activation of pyrophosphorolysis Solanum tuberosum
DTT activation Solanum tuberosum
DTT kinetics Solanum tuberosum
DTT only slight activation in the presence of 3-phosphoglycerate Solanum tuberosum
GSH activation, at high concentration Solanum tuberosum
additional information not: L-lactate, citrate Solanum tuberosum
additional information no activation of pyrophosphorolysis Solanum tuberosum
additional information not: oxaloacetate, L-malate Solanum tuberosum
phosphoenolpyruvate activation Solanum tuberosum
phosphoenolpyruvate activation of pyrophosphorolysis Solanum tuberosum
pyruvate not Solanum tuberosum

Inhibitors

Inhibitors Comment Organism Structure
ADP
-
 Solanum tuberosum
AMP not Solanum tuberosum
NADP+
-
 Solanum tuberosum
phosphate strong Solanum tuberosum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
 additional information kinetic study Solanum tuberosum
0.24
-
 ADP-glucose
-
 Solanum tuberosum

Organism

Organism UniProt Comment Textmining
Solanum tuberosum
-
 potato, var. Norchip
-

Purification (Commentary)

Purification (Comment) Organism
partial Solanum tuberosum

Source Tissue

Source Tissue Comment Organism Textmining
tuber growing Solanum tuberosum
-

Substrates and Products (Substrate)

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

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
 pyrophosphorolysis Solanum tuberosum

pH Range

pH Minimum pH Maximum Comment Organism
6.8 9.5 about half-maximal activity at pH 6.8 and about 70% of maximal activity at pH 9.5 Solanum tuberosum

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.088
-
 phosphate pH 7.5, 37°C, in absence of 3-phosphoglycerate Solanum tuberosum
0.12
-
 phosphate pH 7.5, 37°C, in presence of 3-phosphoglycerate Solanum tuberosum