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Literature summary for 3.1.1.5 extracted from

  • Fujikura, Y.; Baisted, D.
    Purification and characterization of a basic lysophospholipase in germinating barley (1985), Arch. Biochem. Biophys., 243, 570-578.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
2-mercaptoethanol minimizes loss of activity in presence of sulfhydryl reagent Hordeum vulgare

Inhibitors

Inhibitors Comment Organism Structure
Ca2+ modest Hordeum vulgare
Cu2+ little effect Hordeum vulgare
Hg2+ little effect Hordeum vulgare
iodoacetamide
-
Hordeum vulgare
NEM little effect Hordeum vulgare
PCMB
-
Hordeum vulgare
PMSF little effect Hordeum vulgare

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.03
-
2-lysophosphatidylcholine
-
Hordeum vulgare

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
40000
-
x * 40000, PLP I, SDS-PAGE Hordeum vulgare

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Hordeum vulgare the function of the enzyme is directed to the disposal of the starch inclusion lipids during their release from the starch matrix during germination ?
-
?

Organism

Organism UniProt Comment Textmining
Hordeum vulgare
-
var. Advance, at least 3 enzymatic forms: PLP I, PLP II and PLP II'
-

Posttranslational Modification

Posttranslational Modification Comment Organism
side-chain modification glycoprotein Hordeum vulgare
side-chain modification 10-12% carbohydrate Hordeum vulgare

Purification (Commentary)

Purification (Comment) Organism
-
Hordeum vulgare

Source Tissue

Source Tissue Comment Organism Textmining
seed
-
Hordeum vulgare
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
51
-
-
Hordeum vulgare

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1-palmitoyl-sn-glycero-3-phosphocholine + H2O
-
Hordeum vulgare palmitic acid + glycero-3-phosphocholine
-
?
2-lysophosphatidylcholine + H2O
-
Hordeum vulgare glycerophosphorylcholine + a carboxylate
-
?
additional information the function of the enzyme is directed to the disposal of the starch inclusion lipids during their release from the starch matrix during germination Hordeum vulgare ?
-
?

Subunits

Subunits Comment Organism
? x * 40000, PLP I, SDS-PAGE Hordeum vulgare

Synonyms

Synonyms Comment Organism
LPL
-
Hordeum vulgare

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
Tris buffer Hordeum vulgare

pH Range

pH Minimum pH Maximum Comment Organism
5 9 pH 5.0: about 40% of maximal activity, pH 9.0: about 50% of maximal activity Hordeum vulgare