- BMP Binding Endothelial Regulator (BMPER)
- Basic Leucine Zipper Nuclear Factor 1 (BLZF1)
- Biliverdin Reductase B (BLVRB)
- Biliverdin Reductase A (BLVRA)
- Bladder Cancer Associated Protein (BLCAP)
- Bridging Integrator 3 (BIN3)
- Bridging Integrator 2 (BIN2)
- Bridging Integrator 1 (BIN1)
- Bifunctional Apoptosis Regulator (BFAR)
- Beclin 1 (BECN1)
- B-Cell Novel Protein 1 (BCNP1)
- Anterior Gradient Protein 3 (AGR3)
- Branched Chain Alpha-Ketoacid Dehydrogenase Kinase (BCKDK)
- B-Cell Receptor Associated Protein 31 (BCAP31)
- Basic Leucine Zipper Transcription Factor, ATF Like Protein (BATF)