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Identification
YMDB IDYMDB00809
NameTG(16:0/16:0/16:0)
SpeciesSaccharomyces cerevisiae
StrainBrewer's yeast
DescriptionTG(16:0/16:0/16:0) belongs to the family of triradyglycerols, which are glycerolipids lipids containing a common glycerol backbone to which at least one fatty acyl group is esterified. Their general formula is [R1]OCC(CO[R2])O[R3]. TG(16:0/16:0/16:0) is made up of one hexadecanoyl(R1), one hexadecanoyl(R2), and one hexadecanoyl(R3).
Structure
Thumb
Synonyms
  • 1,2,3-trihexadecanoyl-sn-glycerol
  • Glycerin tripalmitate
  • Glycerol tripalmitate
  • Glyceryl trihexadecanoate
  • Glyceryl trihexadecanoic acid
  • Glyceryl tripalmitate
  • Palmitic triglyceride
  • Triglyceride PPP
  • Triglyceryl palmitate
  • Tripalmitate
  • Tripalmitin
  • Tripalmitoylglycerol
  • 1,2,3-Propanetriol trihexadecanoate
  • 1,2,3-Propanetriyl trihexadecanoate
  • 1,2,3-Trihexadecanoylglycerol
  • Hexadecanoic acid, 1,2,3-propanetriyl ester
  • Palmitic acid triglycerin ester
  • TG 16:0/16:0/16:0
  • Trihexadecanoylglycerol
  • 1,2,3-Propanetriol trihexadecanoic acid
  • 1,2,3-Propanetriyl trihexadecanoic acid
  • Glycerin tripalmitic acid
  • Glycerol tripalmitic acid
  • Glyceryl tripalmitic acid
  • Hexadecanoate, 1,2,3-propanetriyl ester
  • Palmitate triglycerin ester
  • Triglyceryl palmitic acid
  • Barolub LCD
  • Dynasan 116
  • Dynosan 114
  • Spezialfett 116
  • Tripalmitoyl glycerol
  • Glycero-tripalmitate
  • Tripalmitylglycerol
  • 1-Palmitoyl-2-palmitoyl-3-palmitoyl-glycerol
  • TG(48:0)
  • Triglyceride
  • Tracylglycerol(48:0)
  • TAG(16:0/16:0/16:0)
  • Tracylglycerol(16:0/16:0/16:0)
  • TAG(48:0)
  • 1-Hexadecanoyl-2-hexadecanoyl-3-hexadecanoyl-glycerol
  • Triacylglycerol
  • TG(16:0/16:0/16:0)
CAS number555-44-2
WeightAverage: 807.3202
Monoisotopic: 806.736340868
InChI KeyPVNIQBQSYATKKL-UHFFFAOYSA-N
InChIInChI=1S/C51H98O6/c1-4-7-10-13-16-19-22-25-28-31-34-37-40-43-49(52)55-46-48(57-51(54)45-42-39-36-33-30-27-24-21-18-15-12-9-6-3)47-56-50(53)44-41-38-35-32-29-26-23-20-17-14-11-8-5-2/h48H,4-47H2,1-3H3
IUPAC Name1,3-bis(hexadecanoyloxy)propan-2-yl hexadecanoate
Traditional IUPAC Nametripalmitin
Chemical FormulaC51H98O6
SMILESCCCCCCCCCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCC
Chemical Taxonomy
Description belongs to the class of organic compounds known as triacylglycerols. These are glycerides consisting of three fatty acid chains covalently bonded to a glycerol molecule through ester linkages.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassGlycerolipids
Sub ClassTriradylcglycerols
Direct ParentTriacylglycerols
Alternative Parents
Substituents
  • Triacyl-sn-glycerol
  • Tricarboxylic acid or derivatives
  • Fatty acid ester
  • Fatty acyl
  • Carboxylic acid ester
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Physical Properties
StateSolid
Charge0
Melting point66.5 °C
Experimental Properties
PropertyValueReference
Water SolubilityNot AvailablePhysProp
LogPNot AvailablePhysProp
Predicted Properties
PropertyValueSource
Water Solubility1.2e-05 g/LALOGPS
logP10.59ALOGPS
logP18.92ChemAxon
logS-7.8ALOGPS
pKa (Strongest Basic)-6.6ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area78.9 ŲChemAxon
Rotatable Bond Count50ChemAxon
Refractivity241.29 m³·mol⁻¹ChemAxon
Polarizability109.39 ųChemAxon
Number of Rings0ChemAxon
Bioavailability0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular LocationsNot Available
Organoleptic PropertiesNot Available
SMPDB Pathways
Triacylglycerol metabolismPW002695 ThumbThumb?image type=greyscaleThumb?image type=simple
Triacylglycerol metabolism TG(16:0/16:0/16:0)PW007758 ThumbThumb?image type=greyscaleThumb?image type=simple
KEGG PathwaysNot Available
SMPDB Reactions
long-chain fatty acyl-CoA + DG(16:0/16:0/0:0)Coenzyme A + TG(16:0/16:0/16:0)
TG(16:0/16:0/16:0) + waterhydron + Fatty Acid + DG(16:0/16:0/0:0)
KEGG ReactionsNot Available
Concentrations
Intracellular ConcentrationsNot Available
Extracellular ConcentrationsNot Available
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0udr-4266090000-d72def42ee8b15e7d8abJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0udi-5255090000-f2b69e4c01f94e964a8eJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0udr-4266090000-d72def42ee8b15e7d8abJSpectraViewer | MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0udi-5255090000-f2b69e4c01f94e964a8eJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - EI-B (HITACHI M-80) , Positivesplash10-0udr-4266090000-d72def42ee8b15e7d8abJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - EI-B (HITACHI M-80) , Positivesplash10-0udi-5255090000-08a84d0a82ce5839332eJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (ACQUITY UPLC System, Waters) 30V, Positivesplash10-0udi-0000090000-b971f7be0932cc17d4fcJSpectraViewer | MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (ACQUITY UPLC System, Waters) 30V, Positivesplash10-0udi-0000090000-ba2f475d5deb56cbcb0fJSpectraViewer | MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-0000000090-2dcd9d1c90fb060e2d76JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00di-0000000090-2dcd9d1c90fb060e2d76JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0zfr-0000090070-5e4488c43f4273c179ddJSpectraViewer
1D NMR1H NMR SpectrumNot AvailableJSpectraViewer
1D NMR1H NMR SpectrumNot AvailableJSpectraViewer
1D NMR13C NMR SpectrumNot AvailableJSpectraViewer
2D NMR[1H,13C] 2D NMR SpectrumNot AvailableJSpectraViewer
References
References:
  • Scheer, M., Grote, A., Chang, A., Schomburg, I., Munaretto, C., Rother, M., Sohngen, C., Stelzer, M., Thiele, J., Schomburg, D. (2011). "BRENDA, the enzyme information system in 2011." Nucleic Acids Res 39:D670-D676.21062828
  • Athenstaedt, K., Daum, G. (2005). "Tgl4p and Tgl5p, two triacylglycerol lipases of the yeast Saccharomyces cerevisiae are localized to lipid particles." J Biol Chem 280:37301-37309.16135509
Synthesis Reference:Not Available
External Links:
ResourceLink
CHEBI ID77393
HMDB IDHMDB05356
Pubchem Compound ID11147
Kegg IDNot Available
ChemSpider ID10674
FOODB IDFDB002911
Wikipedia IDNot Available
BioCyc IDCPD66-35

Enzymes

General function:
Involved in transferase activity, transferring acyl groups other than amino-acyl groups
Specific function:
Catalyzes the terminal and only committed step in triacylglycerol synthesis by using diacylglycerol and fatty acyl CoA as substrates. Required for storage lipid synthesis. May be involved in lipid particle synthesis from the endoplasmic reticulum and ergosterol biosynthesis
Gene Name:
DGA1
Uniprot ID:
Q08650
Molecular weight:
47710.89844
Reactions
Acyl-CoA + 1,2-diacylglycerol → CoA + triacylglycerol.
General function:
Involved in lipid metabolic process
Specific function:
Mediates the hydrolysis of steryl esters. Required for mobilization of steryl ester, thereby playing a central role in lipid metabolism. May have weak lipase activity toward triglycerides upon some conditions, however, the relevance of such activity is unclear in vivo
Gene Name:
TGL1
Uniprot ID:
P34163
Molecular weight:
62978.39844
Reactions
A steryl ester + H(2)O → a sterol + a fatty acid.
General function:
Involved in hydrolase activity, acting on ester bonds
Specific function:
Lipolytic activity towards triacylglycerols and diacylglycerols with short-chain fatty acids
Gene Name:
TGL2
Uniprot ID:
P54857
Molecular weight:
37499.89844
Reactions
Triacylglycerol + H(2)O → diacylglycerol + a carboxylate.
General function:
Involved in triglyceride lipase activity
Specific function:
Essential for lysis of subvacuolar cytoplasm to vacuole targeted bodies and intravacuolar autophagic bodies. Involved in the lysis of intravacuolar multivesicular body (MVB) vesicles
Gene Name:
ATG15
Uniprot ID:
P25641
Molecular weight:
58434.5
Reactions
Triacylglycerol + H(2)O → diacylglycerol + a carboxylate.
General function:
Involved in metabolic process
Specific function:
Releases specific fatty acids from neutral lipid triacylglycerols (TAG) thereby supplying fatty acids to a general acylation process
Gene Name:
TGL3
Uniprot ID:
P40308
Molecular weight:
73611.79688
Reactions
Triacylglycerol + H(2)O → diacylglycerol + a carboxylate.
General function:
Involved in metabolic process
Specific function:
Releases specific fatty acids from neutral lipid triacylglycerols (TAG) thereby supplying fatty acids to a general acylation process. May have a specific role in sporulation
Gene Name:
TGL5
Uniprot ID:
Q12043
Molecular weight:
84715.10156
Reactions
Triacylglycerol + H(2)O → diacylglycerol + a carboxylate.
General function:
Involved in metabolic process
Specific function:
Releases specific fatty acids from neutral lipid triacylglycerols (TAG) thereby supplying fatty acids to a general acylation process. May have a specific role in sporulation
Gene Name:
TGL4
Uniprot ID:
P36165
Molecular weight:
102716.0
Reactions
Triacylglycerol + H(2)O → diacylglycerol + a carboxylate.