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Literature summary for 5.4.2.12 extracted from

  • Botha, F.C.; Dennis, D.T.
    Isozymes of phosphoglyceromutase from the developing endosperm of Ricinus communis: isolation and kinetic properties (1986), Arch. Biochem. Biophys., 245, 96-103.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
additional information no influence on activity: fructose 6-phosphate, fructose 1,6-bisphosphate, glucose 6-phosphate, citric acid, malate, glyoxylate, phosphoenolpyruvate, pyruvate, phosphoglycolate, glyceric acid, alpha-glycerophosphate, iodoacetamide, Gly, Ser, diphosphate, 2,3-diglycerophosphate Ricinus communis

Inhibitors

Inhibitors Comment Organism Structure
additional information no influence on activity: fructose 6-phosphate, fructose 1,6-bisphosphate, glucose 6-phosphate, citric acid, malate, glyoxylate, phosphoenolpyruvate, pyruvate, phosphoglycolate, glyceric acid, alpha-glycerophosphate, iodoacetamide, Gly, Ser, diphosphate, 2,3-diglycerophosphate Ricinus communis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.06
-
2-phospho-D-glycerate 2-phosphoglycerate, cytosolic enzyme Ricinus communis
0.112
-
2-phospho-D-glycerate plastidic enzyme Ricinus communis
0.33
-
3-phospho-D-glycerate cytosolic enzyme Ricinus communis
0.43
-
3-phospho-D-glycerate plastidic enzyme Ricinus communis

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Ricinus communis 5829
-
plastid
-
Ricinus communis 9536
-

Metals/Ions

Metals/Ions Comment Organism Structure
additional information no requirement for divalent metal ions Ricinus communis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
63500
-
plastidic enzyme, gel filtration Ricinus communis
64500
-
cytosolic enzyme, gel filtration Ricinus communis

Organism

Organism UniProt Comment Textmining
Ricinus communis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Ricinus communis

Source Tissue

Source Tissue Comment Organism Textmining
seed
-
Ricinus communis
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
83.8
-
plastidic enzyme Ricinus communis
622.5
-
cytosolic enzyme Ricinus communis

Storage Stability

Storage Stability Organism
-20°C, potassium phosphate buffer, pH 7.2, 20-25% glycerol, 1 month, no loss of activity Ricinus communis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2-phospho-D-glycerate
-
Ricinus communis 3-phospho-D-glycerate
-
r
3-phospho-D-glycerate
-
Ricinus communis 2-phospho-D-glycerate
-
r

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
plastidic enzyme: 50 min, 50% loss of activity, cytosolic enzyme: 125 min, 50% loss of activity, no protection by 2-phosphoglycerate, 3-phosphoglycerate, 2,3-bisphosphoglycerate, phosphate Ricinus communis
60
-
plastidic enzyme: 8 min, 50% loss of activity, cytosolic enzyme: 25 min, 50% loss of activity, no protection by 2-phosphoglycerate, 3-phosphoglycerate, 2,3-bisphosphoglycerate, phosphate Ricinus communis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
cytosolic enzyme, substrate 3-phosphoglycerate or 2-phosphoglycerate Ricinus communis
7.3
-
plastidic enzyme, substrate 2-phosphoglycerate Ricinus communis
7.5
-
plastidic enzyme, substrate 3-phoshoglycerate Ricinus communis

pH Stability

pH Stability pH Stability Maximum Comment Organism
5.5
-
8 h, 4°C, complete inactivation Ricinus communis
6.8
-
rapid inactivation Ricinus communis
11
-
24 h, 4°C, 15% loss of activity Ricinus communis