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Literature summary extracted from

  • Bell, R.M.; Coleman, R.A.
    Enzymes of triacylglycerol formation in mammals (1983), The Enzymes, 3rd Ed. (Boyer, P. D. , ed. ), 16, 87-111.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
2.3.1.15 Polymyxin B activation of mitochondrial enzyme, inhibition of microsomal enzyme Rattus norvegicus

General Stability

EC Number General Stability Organism
2.3.1.15 phospholipids stabilize Escherichia coli
2.3.1.15 phospholipids stabilize Rattus norvegicus

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.3.1.15 5,5'-dithiobis(2-nitro-benzoate)
-
Escherichia coli
2.3.1.15 5,5'-dithiobis(2-nitro-benzoate) inhibition of microsomal enzyme, mitochondrial enzyme is not inhibited Rattus norvegicus
2.3.1.15 acetone inhibition of microsomal enzyme Rattus norvegicus
2.3.1.15 iodoacetamide strong inhibition of microsomal enzyme, mitochondrial enzyme is not inhibited Rattus norvegicus
2.3.1.15 MgCl2 inhibition of microsomal enzyme Rattus norvegicus
2.3.1.15 N-ethylmaleimide
-
Escherichia coli
2.3.1.15 N-ethylmaleimide strong inhibition of microsomal isozyme, mitochondrial enzyme is not inhibited Rattus norvegicus
2.3.1.15 Polymyxin B 0.5 mg/ml, approx. 75% inhibition of microsomal enzyme, slight stimulation of mitochondrial enzyme Rattus norvegicus
2.3.1.15 Triton X-100
-
Escherichia coli
2.3.1.15 Triton X-100
-
Rattus norvegicus
2.3.1.42 glycerol 3-phosphate adipocyte Rattus norvegicus
2.3.1.42 N-ethylmaleimide not peroxisomal enzyme Oryctolagus cuniculus
2.3.1.42 N-ethylmaleimide not peroxisomal enzyme Rattus norvegicus
2.3.1.51 additional information no inhibition by sulfhydryl reagents, 1-acylglycerol 3-phosphoethanol, 1-acylglycerol 3-phosphoethanolamine, 1-acylglycerol 3-phosphodimethylethanolamine, 1-acylglycerol 3-choline Rattus norvegicus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
2.3.1.15 microsome membrane-bound Rattus norvegicus
-
-
2.3.1.15 mitochondrial membrane membrane-bound Rattus norvegicus 31966
-
2.3.1.20 microsome active site on cytoplasmic surface Rattus norvegicus
-
-
2.3.1.42 microsome
-
Rattus norvegicus
-
-
2.3.1.42 microsome
-
Oryctolagus cuniculus
-
-
2.3.1.42 mitochondrion outer membrane Rattus norvegicus 5739
-
2.3.1.42 peroxisome
-
Rattus norvegicus 5777
-
2.3.1.42 peroxisome
-
Oryctolagus cuniculus 5777
-
2.3.1.51 microsome not rat liver peroxisomes Rattus norvegicus
-
-
2.3.1.51 microsome intrinsic membrane protein, cytoplasmic surface Rattus norvegicus
-
-

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.3.1.20 acyl-CoA + 1,2-diacylglycerol Rattus norvegicus last reaction in triacylglycerol synthesis CoA + triacylglycerol
-
?
2.3.1.42 palmitoyl-CoA + dihydroxyacetone phosphate Rattus norvegicus peroxisomal enzyme involved in ether lipid biosynthesis CoA + monopalmitoyldihydroxyacetone phosphate
-
?
2.3.1.42 palmitoyl-CoA + dihydroxyacetone phosphate Oryctolagus cuniculus peroxisomal enzyme involved in ether lipid biosynthesis CoA + monopalmitoyldihydroxyacetone phosphate
-
?
2.3.1.51 acyl-CoA + 1-acyl-sn-glycerol 3-phosphate Rattus norvegicus involved in phospholipid biosynthesis CoA + 1,2-diacyl-sn-glycerol 3-phosphate
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.3.1.15 Escherichia coli
-
-
-
2.3.1.15 Rattus norvegicus
-
-
-
2.3.1.20 Rattus norvegicus
-
-
-
2.3.1.42 Oryctolagus cuniculus
-
-
-
2.3.1.42 Rattus norvegicus
-
-
-
2.3.1.51 Rattus norvegicus
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
2.3.1.15 side-chain modification activity of microsomal enzyme is probably regulated by phosphorylation-dephosphorylation Rattus norvegicus

Purification (Commentary)

EC Number Purification (Comment) Organism
2.3.1.15 Triton X-100-solubilized Escherichia coli

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.3.1.15 liver
-
Rattus norvegicus
-
2.3.1.15 mammary gland lactating Rattus norvegicus
-
2.3.1.15 additional information distribution, overview Escherichia coli
-
2.3.1.15 additional information distribution, overview Rattus norvegicus
-
2.3.1.20 adipocyte
-
Rattus norvegicus
-
2.3.1.20 intestinal mucosa
-
Rattus norvegicus
-
2.3.1.20 liver
-
Rattus norvegicus
-
2.3.1.20 mammary gland
-
Rattus norvegicus
-
2.3.1.20 additional information distribution, overview Rattus norvegicus
-
2.3.1.42 adipocyte
-
Rattus norvegicus
-
2.3.1.42 additional information distribution, overview Rattus norvegicus
-
2.3.1.42 additional information distribution, overview Oryctolagus cuniculus
-
2.3.1.51 liver
-
Rattus norvegicus
-
2.3.1.51 lung
-
Rattus norvegicus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.3.1.15 acyl-CoA + sn-glycerol 3-phosphate saturated acyl-CoAs preferred Escherichia coli CoA + 1-acyl-sn-glycerol 3-phosphate
-
?
2.3.1.15 acyl-CoA + sn-glycerol 3-phosphate saturated acyl-CoAs preferred Rattus norvegicus CoA + 1-acyl-sn-glycerol 3-phosphate
-
?
2.3.1.20 acyl-CoA + 1,2-diacylglycerol last reaction in triacylglycerol synthesis Rattus norvegicus CoA + triacylglycerol
-
?
2.3.1.42 acyl-CoA + dihydroxyacetone phosphate
-
Rattus norvegicus CoA + acyldihydroxyacetone phosphate i.e. acylglycerone phosphate ?
2.3.1.42 acyl-CoA + dihydroxyacetone phosphate
-
Oryctolagus cuniculus CoA + acyldihydroxyacetone phosphate i.e. acylglycerone phosphate ?
2.3.1.42 palmitoyl-CoA + dihydroxyacetone phosphate peroxisomal enzyme involved in ether lipid biosynthesis Rattus norvegicus CoA + monopalmitoyldihydroxyacetone phosphate
-
?
2.3.1.42 palmitoyl-CoA + dihydroxyacetone phosphate peroxisomal enzyme involved in ether lipid biosynthesis Oryctolagus cuniculus CoA + monopalmitoyldihydroxyacetone phosphate
-
?
2.3.1.51 acyl-CoA + 1-acyl-sn-glycerol 3-phosphate
-
Rattus norvegicus CoA + 1,2-diacyl-sn-glycerol 3-phosphate i.e. phosphatidic acid ?
2.3.1.51 acyl-CoA + 1-acyl-sn-glycerol 3-phosphate involved in phospholipid biosynthesis Rattus norvegicus CoA + 1,2-diacyl-sn-glycerol 3-phosphate
-
?
2.3.1.51 palmitoyl-CoA + 1-acyl-sn-glycerol 3-phosphate
-
Rattus norvegicus CoA + 1-acyl-2-palmitoyl-sn-glycerol 3-phosphate
-
?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
2.3.1.42 5.5
-
membrane-bound peroxisomal enzyme Rattus norvegicus
2.3.1.42 5.5
-
membrane-bound peroxisomal enzyme Oryctolagus cuniculus
2.3.1.42 7.5
-
microsomal enzyme Rattus norvegicus
2.3.1.42 7.5
-
microsomal enzyme Oryctolagus cuniculus