| Chain | GOid | namespace | contents |
| A | 0005783 | cellular_component | endoplasmic reticulum |
| A | 0005789 | cellular_component | endoplasmic reticulum membrane |
| A | 0006633 | biological_process | fatty acid biosynthetic process |
| A | 0006665 | biological_process | sphingolipid metabolic process |
| A | 0042761 | biological_process | very long-chain fatty acid biosynthetic process |
| A | 0102758 | molecular_function | very-long-chain enoyl-CoA reductase activity |
| B | 0005789 | cellular_component | endoplasmic reticulum membrane |
| B | 0006633 | biological_process | fatty acid biosynthetic process |
| B | 0016020 | cellular_component | membrane |
| B | 0018812 | molecular_function | 3-hydroxyacyl-CoA dehydratase activity |
| B | 0030148 | biological_process | sphingolipid biosynthetic process |
| B | 0030497 | biological_process | fatty acid elongation |
| B | 0042761 | biological_process | very long-chain fatty acid biosynthetic process |
| B | 0102158 | molecular_function | very-long-chain (3R)-3-hydroxyacyl-CoA dehydratase activity |