| Chain | GOid | namespace | contents |
| A | 0006535 | biological_process | cysteine biosynthetic process from serine |
| A | 0008652 | biological_process | amino acid biosynthetic process |
| A | 0016740 | molecular_function | transferase activity |
| A | 0016765 | molecular_function | transferase activity, transferring alkyl or aryl (other than methyl) groups |
| A | 0016829 | molecular_function | lyase activity |
| A | 0019344 | biological_process | cysteine biosynthetic process |
| B | 0006535 | biological_process | cysteine biosynthetic process from serine |
| B | 0008652 | biological_process | amino acid biosynthetic process |
| B | 0016740 | molecular_function | transferase activity |
| B | 0016765 | molecular_function | transferase activity, transferring alkyl or aryl (other than methyl) groups |
| B | 0016829 | molecular_function | lyase activity |
| B | 0019344 | biological_process | cysteine biosynthetic process |