| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0008299 | biological_process | isoprenoid biosynthetic process |
| A | 0016740 | molecular_function | transferase activity |
| A | 0016779 | molecular_function | nucleotidyltransferase activity |
| A | 0019288 | biological_process | isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway |
| A | 0050518 | molecular_function | 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase activity |
| A | 0070567 | molecular_function | cytidylyltransferase activity |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0008299 | biological_process | isoprenoid biosynthetic process |
| B | 0016740 | molecular_function | transferase activity |
| B | 0016779 | molecular_function | nucleotidyltransferase activity |
| B | 0019288 | biological_process | isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway |
| B | 0050518 | molecular_function | 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase activity |
| B | 0070567 | molecular_function | cytidylyltransferase activity |