- Lactase (LCT)
- Arylacetamide Deacetylase (AADAC)
- Biotinidase (BTD)
- Brain Selective Kinase 1 (BRSK1)
- Brain Selective Kinase 2 (BRSK2)
- Biphenyl Hydrolase Like Protein (BPHL)
- Biliverdin Reductase B (BLVRB)
- Biliverdin Reductase A (BLVRA)
- Branched Chain Alpha-Ketoacid Dehydrogenase Kinase (BCKDK)
- BRCA1 Associated Protein 1 (BAP1)
- Bile Acid Coenzyme A Amino Acid-N-Acyltransferase (BAAT)
- Beta-1,4-N-Acetyl Galactosaminyl Transferase 1 (b4GALNT1)
- Beta-1,4-N-Acetyl Galactosaminyl Transferase 2 (b4GALNT2)
- Beta-1,4-N-Acetyl Galactosaminyl Transferase 3 (b4GALNT3)
- Beta-1,3-N-Acetylglucosaminyltransferase 3 (b3GNT3)
