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acyl-CoA + retinol
CoA + retinyl ester
all-trans retinol + palmitoyl-CoA
all-trans-retinyl palmitate + CoA
lauroyl-CoA + retinol
CoA + retinyllaurate
octanoyl-CoA + retinol
CoA + retinyloctanoate
oleoyl-CoA + retinol
CoA + retinyloleolate
palmitoyl-CoA + 11-cis-retinol
CoA + 11-cis-retinyl palmitate
palmitoyl-CoA + 11-cis-retinol
CoA + 11-cis-retinylpalmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + all-trans-retinol
CoA + all-trans-retinyl palmitate
palmitoyl-CoA + all-trans-retinol
CoA + all-trans-retinylpalmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + retinol
CoA + retinyl palmitate
palmitoyl-CoA + retinol
CoA + retinylpalmitate
stearoyl-CoA + retinol
CoA + retinylstearate
additional information
?
-
acyl-CoA + retinol

CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
all-trans retinol + palmitoyl-CoA

all-trans-retinyl palmitate + CoA
-
Substrates: -
Products: -
?
all-trans retinol + palmitoyl-CoA
all-trans-retinyl palmitate + CoA
-
Substrates: -
Products: -
?
lauroyl-CoA + retinol

CoA + retinyllaurate
-
Substrates: -
Products: -
?
lauroyl-CoA + retinol
CoA + retinyllaurate
-
Substrates: -
Products: -
?
octanoyl-CoA + retinol

CoA + retinyloctanoate
-
Substrates: -
Products: -
?
octanoyl-CoA + retinol
CoA + retinyloctanoate
-
Substrates: -
Products: -
?
oleoyl-CoA + retinol

CoA + retinyloleolate
-
Substrates: -
Products: -
?
oleoyl-CoA + retinol
CoA + retinyloleolate
-
Substrates: -
Products: -
?
oleoyl-CoA + retinol
CoA + retinyloleolate
-
Substrates: -
Products: -
?
oleoyl-CoA + retinol
CoA + retinyloleolate
-
Substrates: -
Products: -
?
palmitoyl-CoA + 11-cis-retinol

CoA + 11-cis-retinyl palmitate
-
Substrates: -
Products: -
r
palmitoyl-CoA + 11-cis-retinol
CoA + 11-cis-retinyl palmitate
-
Substrates: esterification of 11-cis-retinol is four times greater than esterification of all-trans-retinol in Muller cells
Products: -
?
palmitoyl-CoA + 11-cis-retinol
CoA + 11-cis-retinyl palmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + all-trans-retinol

CoA + all-trans-retinyl palmitate
-
Substrates: -
Products: -
r
palmitoyl-CoA + all-trans-retinol
CoA + all-trans-retinyl palmitate
-
Substrates: esterification of 11-cis-retinol is four times greater than esterification of all-trans-retinol in Muller cells
Products: -
?
palmitoyl-CoA + all-trans-retinol
CoA + all-trans-retinyl palmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + retinol

CoA + retinyl palmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + retinol
CoA + retinyl palmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + retinol

CoA + retinylpalmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + retinol
CoA + retinylpalmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + retinol
CoA + retinylpalmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + retinol
CoA + retinylpalmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + retinol
CoA + retinylpalmitate
-
Substrates: polyunsaturated derivatives are poor substrates
Products: -
?
palmitoyl-CoA + retinol
CoA + retinylpalmitate
-
Substrates: predominant fatty acid among tissue retinyl esters
Products: -
?
palmitoyl-CoA + retinol
CoA + retinylpalmitate
-
Substrates: better effect with long chain fatty acids
Products: -
?
palmitoyl-CoA + retinol
CoA + retinylpalmitate
-
Substrates: better effect with long chain fatty acids
Products: -
?
palmitoyl-CoA + retinol
CoA + retinylpalmitate
-
Substrates: -
Products: -
?
palmitoyl-CoA + retinol
CoA + retinylpalmitate
-
Substrates: -
Products: -
?
stearoyl-CoA + retinol

CoA + retinylstearate
-
Substrates: -
Products: -
?
stearoyl-CoA + retinol
CoA + retinylstearate
-
Substrates: -
Products: -
?
additional information

?
-
-
Substrates: ARAT may complement LRAT, EC 2.3.1.135, to provide additional retinyl-ester synthase activity under conditions of high all-trans-retinol
Products: -
?
additional information
?
-
-
Substrates: the multifunctional O-acyltransferase likely plays an important role in lipid metabolism in human skin
Products: -
?
additional information
?
-
-
Substrates: the multifunctional enzyme plays an important role in lipid metabolism in human skin
Products: -
?
additional information
?
-
-
Substrates: acyl coenzyme A:diacylglycerol acyltransferase, DGAT, EC 2.3.1.20, and acyl coenzyme A:monoacylglycerolol acyltransferase, MGAT, EC 2.3.1.22, also show activity with retinol, overview
Products: -
?
additional information
?
-
-
Substrates: the reaction is also catalyzed by the acyl coenzyme A:diacylglycerol acyltransferase, DGAT, EC 2.3.1.22
Products: -
?
additional information
?
-
-
Substrates: the multifunctional O-acetyltransferase is catalyzing the reactions of the acyl-CoA:retinol acyltransferase, of the monoacylglycerol transferase, EC 2.3.1.22, of the diacylglycerol transferase, EC 2.3.1.20, and of the wax synthase, EC 2.3.1.75, overview
Products: -
?
additional information
?
-
-
Substrates: cells and tissues from DGAT1-deficient mice exhibit reduced ARAT activity, and the mice have increased levels of unesterified retinol in their livers on a high-retinol diet
Products: -
?
additional information
?
-
-
Substrates: ARAT plays a role in retinol metabolism in tissues with low levels of cytosolic retinol binding protein or when cellular retinol concentrations are relatively high, thereby protecting cells from toxicity resulting from excess unesterified retinol
Products: -
?
additional information
?
-
-
Substrates: the triacylglycerol synthesis enzyme DGAT1, EC 2.3.1.20, also catalyzes the synthesis of diacylglycerols, waxes, and retinyl esters, overview
Products: -
?
additional information
?
-
-
Substrates: DGAT1 is catalyzing the reactions of the monoacylglycerol transferase, EC 2.3.1.22, of the diacylglycerol transferase, EC 2.3.1.20, of the wax synthase, EC 2.3.1.75, and of the acyl-CoA:retinol acyltransferase, EC 2.3.1.76, overview
Products: -
?
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acyl-CoA + retinol
CoA + retinyl ester
all-trans retinol + palmitoyl-CoA
all-trans-retinyl palmitate + CoA
-
Substrates: -
Products: -
?
palmitoyl-CoA + 11-cis-retinol
CoA + 11-cis-retinyl palmitate
palmitoyl-CoA + all-trans-retinol
CoA + all-trans-retinyl palmitate
palmitoyl-CoA + retinol
CoA + retinyl palmitate
-
Substrates: -
Products: -
?
additional information
?
-
acyl-CoA + retinol

CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
acyl-CoA + retinol
CoA + retinyl ester
-
Substrates: -
Products: -
?
palmitoyl-CoA + 11-cis-retinol

CoA + 11-cis-retinyl palmitate
-
Substrates: -
Products: -
r
palmitoyl-CoA + 11-cis-retinol
CoA + 11-cis-retinyl palmitate
-
Substrates: esterification of 11-cis-retinol is four times greater than esterification of all-trans-retinol in Muller cells
Products: -
?
palmitoyl-CoA + all-trans-retinol

CoA + all-trans-retinyl palmitate
-
Substrates: -
Products: -
r
palmitoyl-CoA + all-trans-retinol
CoA + all-trans-retinyl palmitate
-
Substrates: esterification of 11-cis-retinol is four times greater than esterification of all-trans-retinol in Muller cells
Products: -
?
additional information

?
-
-
Substrates: ARAT may complement LRAT, EC 2.3.1.135, to provide additional retinyl-ester synthase activity under conditions of high all-trans-retinol
Products: -
?
additional information
?
-
-
Substrates: the multifunctional O-acyltransferase likely plays an important role in lipid metabolism in human skin
Products: -
?
additional information
?
-
-
Substrates: the multifunctional enzyme plays an important role in lipid metabolism in human skin
Products: -
?
additional information
?
-
-
Substrates: cells and tissues from DGAT1-deficient mice exhibit reduced ARAT activity, and the mice have increased levels of unesterified retinol in their livers on a high-retinol diet
Products: -
?
additional information
?
-
-
Substrates: ARAT plays a role in retinol metabolism in tissues with low levels of cytosolic retinol binding protein or when cellular retinol concentrations are relatively high, thereby protecting cells from toxicity resulting from excess unesterified retinol
Products: -
?
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(6R)-6beta-hydroxy-1,4,5,6-tetrahydronicotinamide-adenine dinucleotide phosphate
-
activity inhibited at 0.5%
2,3,7,8-tetrachlorodibenzo-p-dioxin
-
decreased activity
5,5'-dithiobis(2-nitrobenzoic acid)
-
activity inhibited above 2 mM
all-trans-retinylbromoacetate
-
-
cellular retinol-binding protein
-
specific inhibition of retinol fatty-acyltransferase by capturing substrate
-
p-chloromercuribenzoate
-
activity abolished at 5 mM
p-chloromercuriphenylsulfonic acid
-
activity abolished at 6 mM
p-hydroxymercuribenzoate
-
activity inhibited at 2 and 6 mM
sodium deoxycholate
-
activity inhibited at 0.5%
sodium taurocholate
-
activity abolished at 8 mM
progesterone

-
-
progesterone
-
activity inhibited above 0.05 mM
XP620

-
selective isozyme DGAT1 inhibitor, inhibits the diacylglycerol acyltransferase and the retinol acyltransferase activities at the retinol recognition site, inhibition of 85% of retinyl ester production in intact differentiated Caco-2 cells, IC50: 88.7 nM
XP620
-
inhibits the ARAT activity of acyl coenzyme A:diacylglycerol acyltransferase isozyme 1 dependent on the retinol concentration in vivo and in vitro, IC50: 110 nM, no inhibition of isozyme 2 and acyl coenzyme A:monoacylglycerol acyltransferase isozyme 3, overview
additional information

-
not inhibited by cholesterol
-
additional information
-
not inhibited by PMSF
-
additional information
-
not inhibited by EDTA 2 mM
-
additional information
-
not inhibited by PMSF
-
additional information
-
not inhibited by 3,3',4,4'-tetrachlorobiphenyl
-
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0.000023
-
11-cis-retinyl ester synthesis in absence of cellular retinol-binding protein
0.00045
-
ARAT activity of recombinant acyl coenzyme A:diacylglycerol acyltransferase isozyme 2 in SF9 cell membrane preparation
0.00084
-
ARAT activity of recombinant acyl coenzyme A:monoacylglycerol acyltransferase isozyme 3 in SF9 cell membrane preparation
additional information

-
activity determined from microsomes
additional information
-
activity determined from microsomes
additional information
-
-
additional information
-
activity determined from microsomes
additional information
-
measurements of retinol and retinyl esters in liver
additional information
-
activity determined from microsomes
additional information
-
activity determined from microsomes
additional information
-
activity determined from microsomes
additional information
-
activity determined from microsomes
additional information
-
activity determined from microsomes
additional information
-
activity determined from microsomes
additional information
-
activity determined from microsomes
additional information
-
description of assay method
additional information
-
activity determined from microsomes
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Ross, A.C.
Retinol esterification by rat liver microsomes. Evidence for a fatty acyl coenzyme A: retinol acyltransferase
J. Biol. Chem.
257
2453-2459
1982
Felis silvestris, Rattus norvegicus, Rattus norvegicus Sprague-Dawley
brenda
Ball, M.D.
Acyl coenzyme A-dependent retinol esterification
Methods Enzymol.
189
446-449
1990
Rattus norvegicus
brenda
Ross, A.C.
Measurement of acyl coenzyme A-dependent esterification of retinol
Methods Enzymol.
189
442-445
1990
Rattus norvegicus
brenda
Saari, J.C.; Bredberg, D.L.
Acyl-CoA:retinol acyltransferase and lecithin:retinol acyltransferase activities of bovine retinal pigment epithelial microsomes
Methods Enzymol.
190
156-163
1990
Bos taurus
brenda
Chaudhary, L.R.; Nelson, E.C.
Some properties and subcellular distribution of acyl-coenzyme A: retinol acyltransferase activity in rat testes
Biochim. Biophys. Acta
917
24-32
1987
Rattus norvegicus, Rattus norvegicus Sprague-Dawley
brenda
MacDonald, P.N.; Ong, D.E.
Assay of lecithin-retinol acyltransferase
Methods Enzymol.
189
450-459
1990
Rattus norvegicus, Rattus norvegicus Sprague-Dawley
brenda
Nilsson, C.B.; Hanber, A.; Trossvik, C.; Haekansson, H.
2,3,7,8-Tetrachlorodibenzo-p-dioxin affects retinol esterification in rat hepatic stellate cells and kidney
Environ. Toxicol. Pharmacol.
2
17-23
1996
Rattus norvegicus, Rattus norvegicus Sprague-Dawley
brenda
Ross, A.C.; Kempner, E.S.
Radiation inactivation analysis of acyl-CoA:retinol acyltransferase and lecithin:retinol acyltransferase in rat liver
J. Lipid Res.
34
1201-1207
1993
Rattus norvegicus
brenda
Jurukovski, V.; Simon, M.
Reduced lecithin:retinol acyl transferase activity in cultured squamous cell carcinoma lines results in increased substrate-driven retinoic acid synthesis
Biochim. Biophys. Acta
1436
479-490
1999
Homo sapiens
brenda
Ndayibagira, A.; Spear, P.A.
Esterification and hydrolysis of vitamin A in the liver of brook trout (Salvelinus fontinalis) and the influence of a coplanar polychlorinated biphenyl
Comp. Biochem. Physiol. C
122C
317-325
1999
Salvelinus fontinalis
-
brenda
Kaschula, C.H.; Jin, M.H.; Desmond-Smith, N.S.; Travis, G.H.
Acyl CoA:retinol acyltransferase (ARAT) activity is present in bovine retinal pigment epithelium
Exp. Eye Res.
82
111-121
2005
Bos taurus, Homo sapiens
brenda
Yen, C.L.; Brown Iv, C.H.; Monetti, M.; Farese, R.V., Jr.
A human skin multifunctional O-acyltransferase that catalyzes the synthesis of acylglycerols, waxes, and retinyl esters
J. Lipid Res.
46
2388-2397
2005
Homo sapiens
brenda
Muniz, A.; Villazana-Espinoza, E.T.; Thackeray, B.; Tsin, A.T.
11-cis-Acyl-CoA:retinol O-acyltransferase activity in the primary culture of chicken Muller cells
Biochemistry
45
12265-12273
2006
Gallus gallus
brenda
Orland, M.D.; Anwar, K.; Cromley, D.; Chu, C.; Chen, L.; Billheimer, J.T.; Hussain, M.M.; Cheng, D.
Acyl coenzyme A dependent retinol esterification by acyl coenzyme A:diacylglycerol acyltransferase 1
Biochim. Biophys. Acta
1737
76-82
2005
Homo sapiens
brenda
Yen, C.L.; Monetti, M.; Burri, B.J.; Farese, R.V.
The triacylglycerol synthesis enzyme DGAT1 also catalyzes the synthesis of diacylglycerols, waxes, and retinyl esters
J. Lipid Res.
46
1502-1511
2005
Mus musculus
brenda
Shih, M.Y.; Kane, M.A.; Zhou, P.; Yen, C.L.; Streeper, R.S.; Napoli, J.L.; Farese, R.V.
Retinol esterification by DGAT1 is essential for retinoid homeostasis in murine skin
J. Biol. Chem.
284
4292-4299
2009
Mus musculus
brenda