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Literature summary for 2.4.1.46 extracted from

  • Coves, J.; Joyard, J.; Douce, R.
    Lipid requirement and kinetic studies of solubilized UDP-galactose:diacylglycerol galactosyltransferase activity from spinach chloroplast envelope membranes (1988), Proc. Natl. Acad. Sci. USA, 85, 4966-4970.
    View publication on PubMedView publication on EuropePMC
Search for more literature for 2.4.1.46

Activating Compound

Activating Compound Comment Organism Structure
Lipid addition of lipids extracted from chloroplast membranes is necessary to reveal activity of highly delipidated enzyme fraction Spinacia oleracea
phosphatidylglycerol best activator of partially purified, delipidated enzyme Spinacia oleracea
phosphatidylinositol activation of partially purified, delipidated enzyme Spinacia oleracea
sulfolipid activation of partially purified, delipidated enzyme Spinacia oleracea

Inhibitors

Inhibitors Comment Organism Structure
UDP competitive vs. UDP-galactose Spinacia oleracea

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.1
-
 UDPgalactose
-
 Spinacia oleracea
1
-
 diacylglycerol
-
 Spinacia oleracea

Localization

Localization Comment Organism GeneOntology No. Textmining
chloroplast envelope
-
 Spinacia oleracea 9941
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
UDPgalactose + 1,2-diacylglycerol Spinacia oleracea involved in biosynthesis of monogalactosyldiacylglycerol UDP + 3-beta-D-galactosyl-1,2-diacylglycerol
-
 ?

Organism

Organism UniProt Comment Textmining
Spinacia oleracea
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
 Spinacia oleracea

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
UDP-galactose + 1,2-diacylglycerol
-
 Spinacia oleracea UDP + 3-beta-D-galactosyl-1,2-diacylglycerol
-
 ?
UDPgalactose + 1,2-diacylglycerol involved in biosynthesis of monogalactosyldiacylglycerol Spinacia oleracea UDP + 3-beta-D-galactosyl-1,2-diacylglycerol
-
 ?

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.008
-
 UDP
-
 Spinacia oleracea