| Chain | GOid | namespace | contents |
| A | 0000139 | cellular_component | Golgi membrane |
| A | 0005783 | cellular_component | endoplasmic reticulum |
| A | 0005789 | cellular_component | endoplasmic reticulum membrane |
| A | 0005886 | cellular_component | plasma membrane |
| A | 0006629 | biological_process | lipid metabolic process |
| A | 0006665 | biological_process | sphingolipid metabolic process |
| A | 0006686 | biological_process | sphingomyelin biosynthetic process |
| A | 0016020 | cellular_component | membrane |
| A | 0016740 | molecular_function | transferase activity |
| A | 0016780 | molecular_function | phosphotransferase activity, for other substituted phosphate groups |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0033188 | molecular_function | sphingomyelin synthase activity |
| A | 0046513 | biological_process | ceramide biosynthetic process |
| A | 0047493 | molecular_function | ceramide cholinephosphotransferase activity |
| A | 2000303 | biological_process | regulation of ceramide biosynthetic process |
| B | 0000139 | cellular_component | Golgi membrane |
| B | 0005783 | cellular_component | endoplasmic reticulum |
| B | 0005789 | cellular_component | endoplasmic reticulum membrane |
| B | 0005886 | cellular_component | plasma membrane |
| B | 0006629 | biological_process | lipid metabolic process |
| B | 0006665 | biological_process | sphingolipid metabolic process |
| B | 0006686 | biological_process | sphingomyelin biosynthetic process |
| B | 0016020 | cellular_component | membrane |
| B | 0016740 | molecular_function | transferase activity |
| B | 0016780 | molecular_function | phosphotransferase activity, for other substituted phosphate groups |
| B | 0016787 | molecular_function | hydrolase activity |
| B | 0033188 | molecular_function | sphingomyelin synthase activity |
| B | 0046513 | biological_process | ceramide biosynthetic process |
| B | 0047493 | molecular_function | ceramide cholinephosphotransferase activity |
| B | 2000303 | biological_process | regulation of ceramide biosynthetic process |
| C | 0000139 | cellular_component | Golgi membrane |
| C | 0005783 | cellular_component | endoplasmic reticulum |
| C | 0005789 | cellular_component | endoplasmic reticulum membrane |
| C | 0005886 | cellular_component | plasma membrane |
| C | 0006629 | biological_process | lipid metabolic process |
| C | 0006665 | biological_process | sphingolipid metabolic process |
| C | 0006686 | biological_process | sphingomyelin biosynthetic process |
| C | 0016020 | cellular_component | membrane |
| C | 0016740 | molecular_function | transferase activity |
| C | 0016780 | molecular_function | phosphotransferase activity, for other substituted phosphate groups |
| C | 0016787 | molecular_function | hydrolase activity |
| C | 0033188 | molecular_function | sphingomyelin synthase activity |
| C | 0046513 | biological_process | ceramide biosynthetic process |
| C | 0047493 | molecular_function | ceramide cholinephosphotransferase activity |
| C | 2000303 | biological_process | regulation of ceramide biosynthetic process |
| D | 0000139 | cellular_component | Golgi membrane |
| D | 0005783 | cellular_component | endoplasmic reticulum |
| D | 0005789 | cellular_component | endoplasmic reticulum membrane |
| D | 0005886 | cellular_component | plasma membrane |
| D | 0006629 | biological_process | lipid metabolic process |
| D | 0006665 | biological_process | sphingolipid metabolic process |
| D | 0006686 | biological_process | sphingomyelin biosynthetic process |
| D | 0016020 | cellular_component | membrane |
| D | 0016740 | molecular_function | transferase activity |
| D | 0016780 | molecular_function | phosphotransferase activity, for other substituted phosphate groups |
| D | 0016787 | molecular_function | hydrolase activity |
| D | 0033188 | molecular_function | sphingomyelin synthase activity |
| D | 0046513 | biological_process | ceramide biosynthetic process |
| D | 0047493 | molecular_function | ceramide cholinephosphotransferase activity |
| D | 2000303 | biological_process | regulation of ceramide biosynthetic process |
| E | 0000139 | cellular_component | Golgi membrane |
| E | 0005783 | cellular_component | endoplasmic reticulum |
| E | 0005789 | cellular_component | endoplasmic reticulum membrane |
| E | 0005886 | cellular_component | plasma membrane |
| E | 0006629 | biological_process | lipid metabolic process |
| E | 0006665 | biological_process | sphingolipid metabolic process |
| E | 0006686 | biological_process | sphingomyelin biosynthetic process |
| E | 0016020 | cellular_component | membrane |
| E | 0016740 | molecular_function | transferase activity |
| E | 0016780 | molecular_function | phosphotransferase activity, for other substituted phosphate groups |
| E | 0016787 | molecular_function | hydrolase activity |
| E | 0033188 | molecular_function | sphingomyelin synthase activity |
| E | 0046513 | biological_process | ceramide biosynthetic process |
| E | 0047493 | molecular_function | ceramide cholinephosphotransferase activity |
| E | 2000303 | biological_process | regulation of ceramide biosynthetic process |
| F | 0000139 | cellular_component | Golgi membrane |
| F | 0005783 | cellular_component | endoplasmic reticulum |
| F | 0005789 | cellular_component | endoplasmic reticulum membrane |
| F | 0005886 | cellular_component | plasma membrane |
| F | 0006629 | biological_process | lipid metabolic process |
| F | 0006665 | biological_process | sphingolipid metabolic process |
| F | 0006686 | biological_process | sphingomyelin biosynthetic process |
| F | 0016020 | cellular_component | membrane |
| F | 0016740 | molecular_function | transferase activity |
| F | 0016780 | molecular_function | phosphotransferase activity, for other substituted phosphate groups |
| F | 0016787 | molecular_function | hydrolase activity |
| F | 0033188 | molecular_function | sphingomyelin synthase activity |
| F | 0046513 | biological_process | ceramide biosynthetic process |
| F | 0047493 | molecular_function | ceramide cholinephosphotransferase activity |
| F | 2000303 | biological_process | regulation of ceramide biosynthetic process |