| GO | Name |
| GO:0000096 | sulfur amino acid metabolic process |
| GO:0003958 | NADPH-hemoprotein reductase activity |
| GO:0005654 | nucleoplasm |
| GO:0005829 | cytosol |
| GO:0006306 | DNA methylation |
| GO:0009086 | methionine biosynthetic process |
| GO:0009235 | cobalamin metabolic process |
| GO:0010181 | FMN binding |
| GO:0016491 | oxidoreductase activity |
| GO:0016709 | oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen |
| GO:0016723 | oxidoreductase activity, acting on metal ions, NAD or NADP as acceptor |
| GO:0030586 | [methionine synthase] reductase activity |
| GO:0032259 | methylation |
| GO:0033353 | S-adenosylmethionine cycle |
| GO:0043418 | homocysteine catabolic process |
| GO:0045111 | intermediate filament cytoskeleton |
| GO:0046655 | folic acid metabolic process |
| GO:0050660 | flavin adenine dinucleotide binding |
| GO:0050667 | homocysteine metabolic process |
| GO:0070402 | NADPH binding |
| GO:0071949 | FAD binding |
| GO:1904042 | negative regulation of cystathionine beta-synthase activity |