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Literature summary for 2.3.1.115 extracted from

  • Matern, U.; Potts, J.R.M.; Hahlbrock, K.
    Two flavonoid-specific malonyltransferases from cell suspension cultures of Petroselinum hortense: partial purification and some properties of malonyl-coenzyme A: flavone/flavonol-7-O-glycoside malonyltransferase and malonyl-coenzyme A: flavonol-3-O-glucoside malonyltransferase (1981), Arch. Biochem. Biophys., 208, 233-241.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.006
-
malonyl-CoA
-
Petroselinum crispum
0.01
-
apiin
-
Petroselinum crispum
0.014
-
apigenin 7-O-glucoside
-
Petroselinum crispum
0.02
-
luteolin 7-O-glucoside
-
Petroselinum crispum

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Petroselinum crispum
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
50000
-
gel filtration Petroselinum crispum

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
apigenin 7-O-apiosylglucoside + malonyl-CoA Petroselinum crispum
-
apigenin 7-O-apiosylglucoside -6''-O-malonylester + CoA
-
?
additional information Petroselinum crispum last step in biosynthesis of flavonoid glycosides ?
-
?

Organism

Organism UniProt Comment Textmining
Petroselinum crispum
-
parsley
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein
-
Petroselinum crispum

Purification (Commentary)

Purification (Comment) Organism
-
Petroselinum crispum

Source Tissue

Source Tissue Comment Organism Textmining
cell culture
-
Petroselinum crispum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Petroselinum crispum

Storage Stability

Storage Stability Organism
-70°C, partially purified enzyme is stable for several months, extensively purified enzyme loses 50% of activity within 2-3 days Petroselinum crispum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
apigenin 7-O-apiosylglucoside + malonyl-CoA
-
Petroselinum crispum apigenin 7-O-apiosylglucoside -6''-O-malonylester + CoA
-
?
apigenin 7-O-glucoside + malonyl-CoA 88% of the activity with apiin Petroselinum crispum CoA + apigenin 7-O-glucoside 6''-O-malonylester
-
?
apiin + malonyl-CoA i.e. apigenin 7-O-apiosylglucoside, best substrate Petroselinum crispum apigenin 7-O-apiosylglucoside -6''-O-malonylester + malonyl-CoA
-
?
diosmetin 7-O-glucoside + malonyl-CoA 72% of the activity with apiin Petroselinum crispum CoA + diosmetin 7-O-glucoside 6''-O-malonylester
-
?
isorhamnetin 3-O-glucoside + malonyl-CoA 11% of the activity with apiin Petroselinum crispum CoA + isorhamnetin 3-O-glucoside 6''-O-malonylester
-
?
isorhamnetin 7-O-glucoside + malonyl-CoA 12% of the activity with apiin Petroselinum crispum CoA + isorhamnetin 7-O-glucoside 6''-O-malonylester
-
?
kaempferol 3-O-glucoside + malonyl-CoA 15% of the activity with apiin Petroselinum crispum CoA + kaempferol 3-O-glucoside 6''-O-malonylester
-
?
luteolin 7-O-glucoside + malonyl-CoA 30% of the activity with apiin Petroselinum crispum CoA + luteolin 7-O-glucoside 6''-O-malonylester
-
?
additional information last step in biosynthesis of flavonoid glycosides Petroselinum crispum ?
-
?
naringenin 7-O-glucoside + malonyl-CoA 16% of the activity with apiin Petroselinum crispum CoA + naringenin 7-O-glucoside 6''-O-malonylester
-
?
quercetin 3-O-glucoside + malonyl-CoA 8% of the activity with apiin Petroselinum crispum CoA + quercetin 3-O-glucoside 6''-O-malonylester
-
?

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
most active in Tris buffer Petroselinum crispum