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Literature summary extracted from

  • Sakaki, T.; Kondo, N.; Yamada, M.
    Free fatty acids regulate two galactosyltransferases in chloroplast envelope membranes isolated from spinach leaves (1990), Plant Physiol., 94, 781-787.
    View publication on PubMedView publication on EuropePMC

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.4.1.184 alpha-linolenic acid 0.3 mM, 28fold stimulation in the presence of 2 mM MgCl2, MgCl2 can be replaced by MnCl2, CaCl2 or high concetrations of KCl Spinacia oleracea
2.4.1.184 hexadecatrienoic acid approx. 3fold activation Spinacia oleracea
2.4.1.184 linoleic acid approx. 4fold activiation Spinacia oleracea
2.4.1.184 oleic acid approx. 4fold activiation Spinacia oleracea
2.4.1.184 palmitic acid approx. 2fold activiation Spinacia oleracea
2.4.1.184 palmitoleic acid approx. 4fold activiation Spinacia oleracea
2.4.1.184 stearic acid approx. 2fold activiation Spinacia oleracea

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.4.1.184 chloroplast envelope envelope Spinacia oleracea 9941
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Metals/Ions

EC Number Metals/Ions Comment Organism Structure
2.4.1.184 Ca2+ alpha-linolenic acid stimulates activity in presence of CaCl2 Spinacia oleracea
2.4.1.184 K+ alpha-linolenic acid stimulates in presence of high concentrations of KCl Spinacia oleracea
2.4.1.184 Mg2+ alpha-linolenic acid causes drastic increase in activity under limiting concentrations of MgCl2, without affecting its maximum activity at higher MgCl2 concentration, free alpha-linolenic acid alone does not affect the activity Spinacia oleracea
2.4.1.184 Mg2+ unsaturated 16- and 18-carbon fatty acids stimulate in presence of MgCl2 Spinacia oleracea
2.4.1.184 Mg2+ EDTA inhibits stimulation Spinacia oleracea
2.4.1.184 Mn2+ alpha-linolenic acid stimulates activity in presence of MnCl2 Spinacia oleracea

Organism

EC Number Organism UniProt Comment Textmining
2.4.1.184 Spinacia oleracea
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cv. New Asia
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Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.4.1.184 leaf
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Spinacia oleracea
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Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.4.1.184 1,2-diacyl-3-O-(beta-D-galactosyl)-sn-glycerol + 1,2-diacyl-3-O-(beta-D-galactosyl)-sn-glycerol
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Spinacia oleracea 1,2-diacyl-3-O-[alpha-D-galactosyl-(1->6)-beta-D-galactosyl]-sn-glycerol + 1,2-diacyl-sn-glycerol
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