| Chain | GOid | namespace | contents |
| A | 0003674 | molecular_function | molecular_function |
| A | 0005515 | molecular_function | protein binding |
| A | 0005783 | cellular_component | endoplasmic reticulum |
| A | 0005789 | cellular_component | endoplasmic reticulum membrane |
| A | 0006672 | biological_process | ceramide metabolic process |
| A | 0006986 | biological_process | response to unfolded protein |
| A | 0016020 | cellular_component | membrane |
| A | 0017059 | cellular_component | serine palmitoyltransferase complex |
| A | 0030148 | biological_process | sphingolipid biosynthetic process |
| A | 0090155 | biological_process | negative regulation of sphingolipid biosynthetic process |
| A | 0090156 | biological_process | intracellular sphingolipid homeostasis |
| B | 0004758 | molecular_function | serine C-palmitoyltransferase activity |
| B | 0005515 | molecular_function | protein binding |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0005783 | cellular_component | endoplasmic reticulum |
| B | 0005789 | cellular_component | endoplasmic reticulum membrane |
| B | 0006665 | biological_process | sphingolipid metabolic process |
| B | 0009058 | biological_process | biosynthetic process |
| B | 0016020 | cellular_component | membrane |
| B | 0016740 | molecular_function | transferase activity |
| B | 0016746 | molecular_function | acyltransferase activity |
| B | 0017059 | cellular_component | serine palmitoyltransferase complex |
| B | 0030148 | biological_process | sphingolipid biosynthetic process |
| B | 0030170 | molecular_function | pyridoxal phosphate binding |
| B | 0046512 | biological_process | sphingosine biosynthetic process |
| B | 0046513 | biological_process | ceramide biosynthetic process |
| B | 0090156 | biological_process | intracellular sphingolipid homeostasis |
| C | 0004758 | molecular_function | serine C-palmitoyltransferase activity |
| C | 0005515 | molecular_function | protein binding |
| C | 0005737 | cellular_component | cytoplasm |
| C | 0005783 | cellular_component | endoplasmic reticulum |
| C | 0006665 | biological_process | sphingolipid metabolic process |
| C | 0009058 | biological_process | biosynthetic process |
| C | 0016020 | cellular_component | membrane |
| C | 0016740 | molecular_function | transferase activity |
| C | 0016746 | molecular_function | acyltransferase activity |
| C | 0017059 | cellular_component | serine palmitoyltransferase complex |
| C | 0030148 | biological_process | sphingolipid biosynthetic process |
| C | 0030170 | molecular_function | pyridoxal phosphate binding |
| C | 0046512 | biological_process | sphingosine biosynthetic process |
| C | 0046513 | biological_process | ceramide biosynthetic process |
| C | 0090156 | biological_process | intracellular sphingolipid homeostasis |
| D | 0005783 | cellular_component | endoplasmic reticulum |
| D | 0005789 | cellular_component | endoplasmic reticulum membrane |
| D | 0006666 | biological_process | 3-keto-sphinganine metabolic process |
| D | 0008047 | molecular_function | enzyme activator activity |
| D | 0016020 | cellular_component | membrane |
| D | 0017059 | cellular_component | serine palmitoyltransferase complex |
| D | 0090154 | biological_process | positive regulation of sphingolipid biosynthetic process |
| D | 0090156 | biological_process | intracellular sphingolipid homeostasis |
