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Literature summary extracted from

  • Herr, F.M.; Ong, D.E.
    Differential interaction of lecithin-retinol acyltransferase with cellular retinol binding proteins (1992), Biochemistry, 31, 6748-6755.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.3.1.135 Apo-cellular-retinol-binding protein
-
Rattus norvegicus
2.3.1.135 additional information 1% dimethylsulfoxide does not inhibit LRAT activity Rattus norvegicus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2.3.1.135 0.0002
-
retinol-[cellular-retinol-binding-protein] intestinal LRAT, reaction with phosphatidylcholine Rattus norvegicus
2.3.1.135 0.00024
-
retinol-(cellular-retinol-binding protein) type II intestinal LRAT, reaction with phosphatidylcholine Rattus norvegicus
2.3.1.135 0.00032
-
retinol-[cellular-retinol-binding-proteintype II] liver LRAT, reaction with phosphatidylcholine Rattus norvegicus
2.3.1.135 0.00044
-
retinol liver LRAT, reaction with phosphatidylcholine Rattus norvegicus
2.3.1.135 0.00063
-
retinol intestinal LRAT, reaction with phosphatidylcholine Rattus norvegicus
2.3.1.135 0.00078
-
retinol-[cellular-retinol-binding-protein] liver LRAT, reaction with phosphatidylcholine Rattus norvegicus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.3.1.135 phosphatidylcholine + all-trans-retinol Rattus norvegicus important role in absorption and storage of vitamin A all-trans-retinyl acyl esters + 2-acylglycerophosphocholine
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.3.1.135 Rattus norvegicus
-
-
-

Source Tissue

EC Number Source Tissue Comment Organism Textmining
2.3.1.135 intestine
-
Rattus norvegicus
-
2.3.1.135 liver
-
Rattus norvegicus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.3.1.135 additional information little or no ability to transfer acyl groups from lysophosphatidylcholine, phosphatidylethanolamine or phosphatidic acid to retinol-(cellular-retinol-binding protein) Rattus norvegicus ?
-
?
2.3.1.135 additional information only fatty acyl group at the sn-1 is transferred Rattus norvegicus ?
-
?
2.3.1.135 additional information phosphatidylcholine selective Rattus norvegicus ?
-
?
2.3.1.135 phosphatidylcholine + all-trans-retinol
-
Rattus norvegicus all-trans-retinyl acyl esters + 2-acylglycerophosphocholine
-
?
2.3.1.135 phosphatidylcholine + all-trans-retinol important role in absorption and storage of vitamin A Rattus norvegicus all-trans-retinyl acyl esters + 2-acylglycerophosphocholine
-
?
2.3.1.135 phosphatidylcholine + retinol-(cellular-retinol-binding protein) type II
-
Rattus norvegicus 2-acylglycerophosphocholine + retinyl ester-(cellular-retinol-binding-protein) type II
-
?
2.3.1.135 phosphatidylcholine + retinol-(cellular-retinol-binding-protein)
-
Rattus norvegicus 2-acylglycerophosphocholine + retinyl ester-(cellular-retinol-binding-protein)
-
?
2.3.1.135 phosphatidylcholine + retinol-[cellular-retinol-binding-protein type II]
-
Rattus norvegicus 2-acylglycerophosphocholine + retinyl-ester-[cellular-retinol-binding-protein type II]
-
?
2.3.1.135 phosphatidylcholine + retinol-[cellular-retinol-binding-protein]
-
Rattus norvegicus 2-acylglycerophosphocholine + retinyl-ester-[cellular-retinol-binding-protein]
-
?

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
2.3.1.135 37
-
-
Rattus norvegicus