Authored by : Hong-Sang Low, Christopher J.O. Baker, Alexander Garcia, Markus R. Wenk. The ontology is provided "as is" and with no warranties. Neither I2R(Institute of Infocomm Research, A-STAR, Singapore), NUS(National University of Singapore), nor any other party involved in the creation and/or development of the ontology shall be liable for any direct, incidental, consequential, indirect or punitive damages arising out of or in relation to the Users' access to, or use of, the ontology. I2R and NUS do not guarantee the accuracy of information provided by external sources and accepts no responsibility or liability for any consequences arising from the use of such data. I2R and NUS make no representations in relation to the ontology or the information provided, including but not limited to the fact that the information provided in the ontology may not be comprehensive, complete or up-to-date. Users may make modifications to the ontology provided that subsequent versions carry prominent notices stating that it was modified from the named original giving a relevant date[ and acknowledging the originators as the source of the unmodified version]. 1 2 Fatty acyl derivatives are lipids that have at least a derivative of acyl group such as an alkyl group and has no acyl group 2 3 1 1 please check sugar unit... does galactose contribute to neutral charges? Oxygenated hydrocarbons are lipids that have at least a terminal acyl group or ketone group 1 reconsider alpha prime??? 4 2 3 1 Fatty esters are fatty acyls have an ester group 1 2 2 21 12 hydrophobic or amphiphatic small molecules that originates or in part by carboanion based condensations and/or carbocation-based condensations of isoprene units(prenols, sterols) 1 2 2 5 prenyl group need tgo change number ergostatetra fissile variant 7 adenylate, guanylate...ribosyl stuffs should be trabsfered here. 2 1 1 9 1 1 2 2 2 Fatty nitriles are fatty acyls and derivatives that have a derivatives of alkyl group such as a nitrile group 1 1 1 1 1 1 Sterols are lipids that have a fused 4 ring systems or its variants 1 1 1 2 Not considering LTC, or leukotriene peptides 1 2 1 Octadecanoids are lipids that have at least a carboxylic acid group and an alkenyl group 1 Fatty acids and conjugates are lipids that have at least a carboxylic acid group cyclic ether? 1 1 1 2 Fatty aldehydes are fatty acyls have an aldehyde group 1 2 1 1 1 3 10 2 Polyketides are lipids that consist of poly-ketide ring system(macrocyclic lactones, complex aromatic ring system) 2 Glycerophospholipids are lipids that have at least an ester group(or ether) and organic phoshate group (esterified to glycerol) -all expanded except for inositol phosphate and phosphono Saccharolipids are lipids that have at least a glycan or phosphorylated sugar(esterified to glycerol) 1 1 2 2 2 2 11 define the isoprenoid chain 2 5 1 not consistent... tocopherols 1 1 1 2 11 1 Gal 1 1 3 1 1 1 Fatty ethers are fatty acyls and derivatives that have a derivatives of alkyl group such as an ether group 1 21 12 1 1 1 1