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Literature summary extracted from

  • Khatoon, H.; Talat, S.; Younus, H.
    Identification and partial characterization of a highly active and stable phospholipase D from Brassica juncea seeds (2007), Int. J. Biol. Macromol., 40, 232-236.
    View publication on PubMed

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.1.4.4 additional information enzyme is independent of phosphatidylinositol-4,5-bisphosphate Brassica juncea

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.1.4.4 EDTA 1.5 mM, 30% loss of activity Brassica juncea
3.1.4.4 additional information enzyme completely loses activity upon dialysis Brassica juncea

Metals/Ions

EC Number Metals/Ions Comment Organism Structure
3.1.4.4 Ca2+ about 40% stimulation in presence of at least 2 mM Brassica juncea

Organism

EC Number Organism UniProt Comment Textmining
3.1.4.4 Brassica juncea
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.1.4.4 partial. Enzyme completely loses activity upon dialysis Brassica juncea

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.1.4.4 seed
-
Brassica juncea
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.1.4.4 168.5
-
pH 5.5, 37°C, crude extract of seed Brassica juncea

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.1.4.4 phosphatidylcholine + H2O
-
Brassica juncea 1,2-diacylglycerophosphate + choline
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
3.1.4.4 60
-
-
Brassica juncea

Temperature Range [°C]

EC Number Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
3.1.4.4 25 70 more than 70% of maximum activity Brassica juncea
3.1.4.4 30 60 more than 94% of maximum activity Brassica juncea

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.1.4.4 60
-
30 min, almost 100% rersidual activity Brassica juncea
3.1.4.4 70
-
30 min, 55% residual activity Brassica juncea

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.1.4.4 6
-
-
Brassica juncea

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.1.4.4 3 10 more than 73% of maximum activity Brassica juncea