Table 1. Lipid categories of the comprehensive classification system

Category Abbreviation Number Common structures
Fatty acyls FA 9918
Glycerolipids GL 7656
Glycerophospholipids GP 9957
Sphingolipids SP 4854
Sterol lipids ST 2985
Prenol lipids PR 1485
Saccharolipids SL 1326
Polyketides PK 6863
The number in the LIPID MAPS database (Lipid structure, annotation, classification and pathways, analytical methods. http://www.lipidmaps.org.CC-BY).