| CDBP00272 | Aromatic-L-amino-acid decarboxylase | P20711 | DDC | 7p12.2 | Enzyme | Not Available |
| CDBP00456 | Beta-Ala-His dipeptidase | Q96KN2 | CNDP1 | 18q22.3 | Enzyme | Not Available |
| CDBP00457 | Protein arginine N-methyltransferase 3 | O60678 | PRMT3 | 11p15.1 | Enzyme | Not Available |
| CDBP00608 | Probable histidine--tRNA ligase, mitochondrial | P49590 | HARS2 | 5q31.3 | Enzyme | Not Available |
| CDBP00611 | Histidine--tRNA ligase, cytoplasmic | P12081 | HARS | 5q31.3 | Enzyme | Not Available |
| CDBP00647 | Histidine ammonia-lyase | P42357 | HAL | 12q22-q24.1 | Enzyme | Not Available |
| CDBP00828 | Histidine decarboxylase | P19113 | HDC | 15q21-q22 | Enzyme | Not Available |
| CDBP02064 | Histamine H3 receptor | Q9Y5N1 | HRH3 | 20q13.33 | Receptor | Not Available |
| CDBP02201 | Sodium-coupled neutral amino acid transporter 3 | Q99624 | SLC38A3 | 3p21.3 | Transporter | Not Available |
| CDBP02442 | Monocarboxylate transporter 10 | Q8TF71 | SLC16A10 | 6q21-q22 | Transporter | Not Available |
| CDBP03252 | Taste receptor type 2 member 10 | Q9NYW0 | TAS2R10 | 12p13 | Receptor | Not Available |
| CDBP03253 | Taste receptor type 2 member 16 | Q9NYV7 | TAS2R16 | 7q31.1-q31.3|7q31 | Receptor | Not Available |
| CDBP03254 | Taste receptor type 2 member 40 | P59535 | TAS2R40 | 7q34 | Receptor | Not Available |
| CDBP03255 | Taste receptor type 2 member 3 | Q9NYW6 | TAS2R3 | 7q31.3-q32 | Receptor | Not Available |
| CDBP03256 | Taste receptor type 2 member 4 | Q9NYW5 | TAS2R4 | 7q31.3-q32 | Receptor | Not Available |
| CDBP03257 | Taste receptor type 2 member 7 | Q9NYW3 | TAS2R7 | 12p13 | Receptor | Not Available |
| CDBP03258 | Taste receptor type 2 member 9 | Q9NYW1 | TAS2R9 | 12p13 | Receptor | Not Available |
| CDBP04053 | Carnosine synthase 1 | A5YM72 | CARNS1 | 11q13.2 | Enzyme | Not Available |
| CDBP05330 | HemK methyltransferase family member 1 | Q9Y5R4 | HEMK1 | | Enzyme | Not Available |
| CDBP05376 | Methyltransferase-like protein 2B | Q6P1Q9 | METTL2B | | Enzyme | Not Available |
| CDBP05377 | Methyltransferase-like protein 6 | Q8TCB7 | METTL6 | | Enzyme | Not Available |
| CDBP05559 | Uncharacterized methyltransferase WBSCR22 | O43709 | WBSCR22 | | Enzyme | Not Available |
| CDBP05618 | Taste receptor type 2 member 50 | P59544 | TAS2R50 | 12p13.2 | Receptor | Not Available |
| CDBP05624 | Taste receptor type 2 member 38 | P59533 | TAS2R38 | 7q34 | Receptor | Not Available |
| CDBP05626 | Taste receptor type 2 member 31 | P59538 | TAS2R31 | 12p13.2 | Receptor | Not Available |