| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Cib4 | — | B12-binding_2, DUF5805, EF-hand_1, EF-hand_5, EF-hand_6, EF-hand_7, EF-hand_8, EF-hand_FSTL1, EF_SSP120, LXG, SPARC_Ca_bdg, TPP1 | — |
| Dnd1 | — | B12-binding_2, DND1_DSRM, RRM_1, RRM_7 | RNA-binding proteins |
| Mtr | — | B12-binding, B12-binding_2, DMF_alpha, DUF2760, Met_synt_B12, Pterin_bind, S-methyl_trans | — |