| MF | GO:0004018 | N6-(1,2-dicarboxyethyl)AMP AMP-lyase (fumarate-forming) activity | IEP | HCCA |
| MF | GO:0004486 | methylenetetrahydrofolate dehydrogenase [NAD(P)+] activity | IEP | HCCA |
| MF | GO:0004488 | methylenetetrahydrofolate dehydrogenase (NADP+) activity | IEP | HCCA |
| BP | GO:0006163 | purine nucleotide metabolic process | IEP | HCCA |
| BP | GO:0006164 | purine nucleotide biosynthetic process | IEP | HCCA |
| BP | GO:0006188 | IMP biosynthetic process | IEP | HCCA |
| BP | GO:0006189 | 'de novo' IMP biosynthetic process | IEP | HCCA |
| BP | GO:0006753 | nucleoside phosphate metabolic process | IEP | HCCA |
| BP | GO:0006766 | vitamin metabolic process | IEP | HCCA |
| BP | GO:0006767 | water-soluble vitamin metabolic process | IEP | HCCA |
| BP | GO:0006771 | riboflavin metabolic process | IEP | HCCA |
| MF | GO:0008531 | riboflavin kinase activity | IEP | HCCA |
| BP | GO:0009110 | vitamin biosynthetic process | IEP | HCCA |
| BP | GO:0009116 | nucleoside metabolic process | IEP | HCCA |
| BP | GO:0009117 | nucleotide metabolic process | IEP | HCCA |
| BP | GO:0009123 | nucleoside monophosphate metabolic process | IEP | HCCA |
| BP | GO:0009124 | nucleoside monophosphate biosynthetic process | IEP | HCCA |
| BP | GO:0009126 | purine nucleoside monophosphate metabolic process | IEP | HCCA |
| BP | GO:0009127 | purine nucleoside monophosphate biosynthetic process | IEP | HCCA |
| BP | GO:0009150 | purine ribonucleotide metabolic process | IEP | HCCA |
| BP | GO:0009152 | purine ribonucleotide biosynthetic process | IEP | HCCA |
| BP | GO:0009156 | ribonucleoside monophosphate biosynthetic process | IEP | HCCA |
| BP | GO:0009161 | ribonucleoside monophosphate metabolic process | IEP | HCCA |
| BP | GO:0009165 | nucleotide biosynthetic process | IEP | HCCA |
| BP | GO:0009167 | purine ribonucleoside monophosphate metabolic process | IEP | HCCA |
| BP | GO:0009168 | purine ribonucleoside monophosphate biosynthetic process | IEP | HCCA |
| BP | GO:0009231 | riboflavin biosynthetic process | IEP | HCCA |
| BP | GO:0009259 | ribonucleotide metabolic process | IEP | HCCA |
| BP | GO:0009260 | ribonucleotide biosynthetic process | IEP | HCCA |
| MF | GO:0015299 | obsolete solute:proton antiporter activity | IEP | HCCA |
| MF | GO:0016491 | oxidoreductase activity | IEP | HCCA |
| MF | GO:0016645 | oxidoreductase activity, acting on the CH-NH group of donors | IEP | HCCA |
| MF | GO:0016646 | oxidoreductase activity, acting on the CH-NH group of donors, NAD or NADP as acceptor | IEP | HCCA |
| MF | GO:0016742 | hydroxymethyl-, formyl- and related transferase activity | IEP | HCCA |
| MF | GO:0016840 | carbon-nitrogen lyase activity | IEP | HCCA |
| MF | GO:0016842 | amidine-lyase activity | IEP | HCCA |
| BP | GO:0019637 | organophosphate metabolic process | IEP | HCCA |
| BP | GO:0019693 | ribose phosphate metabolic process | IEP | HCCA |
| BP | GO:0034654 | nucleobase-containing compound biosynthetic process | IEP | HCCA |
| BP | GO:0042364 | water-soluble vitamin biosynthetic process | IEP | HCCA |
| BP | GO:0042726 | flavin-containing compound metabolic process | IEP | HCCA |
| BP | GO:0042727 | flavin-containing compound biosynthetic process | IEP | HCCA |
| BP | GO:0046040 | IMP metabolic process | IEP | HCCA |
| BP | GO:0046390 | ribose phosphate biosynthetic process | IEP | HCCA |
| BP | GO:0090407 | organophosphate biosynthetic process | IEP | HCCA |
| BP | GO:1901135 | carbohydrate derivative metabolic process | IEP | HCCA |
| BP | GO:1901137 | carbohydrate derivative biosynthetic process | IEP | HCCA |
| BP | GO:1901293 | nucleoside phosphate biosynthetic process | IEP | HCCA |
| BP | GO:1901657 | glycosyl compound metabolic process | IEP | HCCA |