| S.no. | Gene Symbol | Function | HGNC ID | Locus | Exon Count | Chromosome | Start | End | Strand | ENSEMBL Id | PMID |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | CUBN | Receptor for intrinsic factor-vitamin B12 complexes. | 2548 | 10p13 | 71 | 10 | 16864965 | 17171816 | -1 | ENSG00000107611 | 24533076 / 23402911 |
| 2 | FUT2 | It involved in the creation of a precursor of the H antigen | 4013 | 19q13.33 | 2 | 19 | 49198228 | 49209191 | 1 | ENSG00000176920 | 24533076 |
| 3 | TCN1 | Member of the vitamin B12-binding protein family | 11652 | 11q12.1 | 9 | 11 | 59619281 | 59634041 | -1 | ENSG00000134827 | 24533076 |
| 4 | MMADHC | Encodes a mitochondrial protein -an early step of vitamin B12 metabolism. | 25221 | 2q23.2 | 8 | 2 | 150425147 | 150444330 | -1 | ENSG00000168288 | 18385497 |
| 5 | MMAA | Involved in the translocation of cobalamin into the mitochondrion-the final steps of adenosylcobala | 18871 | 4q31.21 | 8 | 4 | 146539540 | 146581187 | 1 | ENSG00000151611 | 21114891 |
| 6 | MMACHC | Binding and intracellular trafficking of cobalamin. | 24525 | 1p34.1 | 4 | 1 | 45964856 | 45976739 | 1 | ENSG00000132763 | 21114891 |
| 7 | MMAB | Catalyzes the conversion of vitamin B12 into adenosylcobalamin, a vitamin B12-containing coenzyme fo | 19331 | 12q24.11 | 13 | 12 | 109990521 | 110011358 | -1 | ENSG00000139428 | 21114891 |
| 8 | MTRR | Regenerates a functional methionine synthase via reductive methylation with the protein. | 7473 | 5p15.31 | 21 | 5 | 7868217 | 7901235 | 1 | ENSG00000124275 | 21114891 |
| 9 | MUT | Encodes the mitochondrial enzyme methylmalonyl Coenzyme A mutase. | 7526 | 6p12.3 | 13 | 6 | 49397073 | 49431041 | -1 | ENSG00000146085 | 21114891 |
| 10 | MTR | Encodes the 5-methyltetrahydrofolate-homocysteine methyltransferase and catalyzes the final step in | 7468 | 1q43 | 33 | 1 | 236957581 | 237067281 | 1 | ENSG00000116984 | 21114891 |
| 11 | LMBRD1 | Involved in the transport and metabolism of cobalamin. | 23038 | 6q13 | 17 | 6 | 70384641 | 70506534 | -1 | ENSG00000168216 | 21114891 |
| 12 | GIF | Required for the adequate absorption of vitamin B12. | 4268 | 11q12.1 | 9 | 11 | 59595746 | 59612974 | -1 | ENSG00000134812 | 21114891 |
| 13 | ABCD4 | Transport various molecules across extra- and intra-cellular membranes | 68 | 14q24.3 | 20 | 14 | 74750980 | 74769767 | -1 | ENSG00000119688 | 22922874 |
| 14 | TCN2 | B12 transport protein | 11653 | 22q12.2 | 9 | 22 | 31003070 | 31023047 | 1 | ENSG00000185339 | 29445423 |
| 15 | CPS1 | Carbamoyl-phosphate synthase 1 | 2323 | 2q34 | 43 | 2 | 211342406 | 211543831 | 1 | ENSG00000021826 | 29445423 |
| 16 | SPACA1 | Sperm Acrosome Associated 1 | 14967 | 6q15 | 8 | 6 | 88757507 | 88776550 | 1 | ENSG00000118434 | 29445423 |
| 17 | PON1 | Paraoxonase 1 | 9204 | 7q21.3 | 9 | 7 | 94926988 | 95025673 | -1 | ENSG00000005421 | 29445423 |
| 18 | ZBTB10 | Zinc finger and BTB domain containing 10 | 30953 | 8q21.13 | 8 | 8 | 81397854 | 81438500 | 1 | ENSG00000205189 | 29445423 |
| 19 | TRDMT1 | TRNA Aspartic Acid Methyltransferase 1 | 2977 | 10p13 | 15 | 10 | 17184253 | 17244070 | -1 | ENSG00000107614 | 29445423 |
| 20 | MS4A3 | Membrane Spanning 4-Domains A3 | 7317 | 11q12.1 | 8 | 11 | 59824060 | 59838601 | 1 | ENSG00000149516 | 29445423 |
| 21 | CLYBL | Citrate Lyase Beta Like | 18355 | 13q32.3 | 11 | 13 | 100258919 | 100549388 | 1 | ENSG00000125246 | 29445423 |
| 22 | ACTL9 | Actin Like 9 | 28494 | 19p13.2 | 1 | 19 | 8807751 | 8809172 | -1 | ENSG00000181786 | 29445423 |
| 23 | TCBLR | CD320 Molecule | 16692 | 19p13.2 | 5 | 19 | 8367011 | 8373240 | -1 | ENSG00000167775 | 29445423 |