| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q32LD1 | Chromatin complexes subunit BAP18; BPTF-associated protein of 18 kDa; | BAP18; | NP_001033181.1; | 172 | cow |
| A2VDM8 | Ubiquitin carboxyl-terminal hydrolase BAP1; EC 3.4.19.12; BRCA1-associated protein 1; | BAP1; | NP_001096019.1; | 711 | cow |
| Q32KL9 | B-cell receptor-associated protein 29; BCR-associated protein 29; Bap29; | BCAP29; | NP_001033164.1;XP_005205464.1;XP_005205465.1; | 240 | cow |
| Q865R3 | Basigin; EMMPRIN; CD antigen CD147; Fragment; | BSG; | NULL | 205 | cow |
| P80724 | Brain acid soluble protein 1; 22 kDa neuronal tissue-enriched acidic protein; Neuronal axonal membrane protein NAP-22; | BASP1; NAP22; | NP_777205.1; | 227 | cow |
| E1BD44 | Basic leucine zipper transcriptional factor ATF-like; B-cell-activating transcription factor; B-ATF; | BATF; | NP_001193207.1; | 125 | cow |
| O02703 | Apoptosis regulator BAX; | BAX; | NP_776319.1;XP_003585251.1; | 192 | cow |
| Q1JQ97 | Bardet-Biedl syndrome 4 protein homolog; | BBS4; | NP_001069424.1; | 519 | cow |
| Q9MZ08 | Basal cell adhesion molecule; B-CAM cell surface glycoprotein; Lutheran antigen; CD antigen CD239; | BCAM; | NP_777166.1; | 628 | cow |
| Q58DL5 | Breast cancer anti-estrogen resistance protein 3; | BCAR3; | NP_001019654.1;XP_005204326.1;XP_005204327.1; | 826 | cow |
| Q5EA40 | Branched-chain-amino-acid aminotransferase, mitochondrial; BCAT(m); EC 2.6.1.42; | BCAT2; | NP_001013611.2; | 393 | cow |
| Q2NL37 | BRCA2 and CDKN1A-interacting protein; | BCCIP; | NP_001039587.1; | 306 | cow |
| Q2KJG8 | [3-methyl-2-oxobutanoate dehydrogenase [lipoamide]] kinase, mitochondrial; EC 2.7.11.4; Branched-chain alpha-ketoacid dehydrogenase kinase; BCKD-kinase; BCKDHKIN; | BCKDK; | NP_001039371.1;XP_005224909.1; | 412 | cow |
| O02718 | Apoptosis regulator Bcl-2; | BCL2; | NULL | 229 | cow |
| Q3T0A6 | B-cell CLL/lymphoma 7 protein family member B; | BCL7B; | NP_001029947.1; | 202 | cow |
| Q5E9H5 | Mitochondrial chaperone BCS1; BCS1-like protein; | BCS1L; | NP_001015671.1;XP_005202918.1;XP_005202919.1; | 419 | cow |
| Q3T046 | 3-hydroxybutyrate dehydrogenase type 2; EC 1.1.1.-; EC 1.1.1.30; Dehydrogenase/reductase SDR family member 6; R-beta-hydroxybutyrate dehydrogenase; | BDH2; DHRS6; | NP_001029660.1; | 245 | cow |
| Q02337 | D-beta-hydroxybutyrate dehydrogenase, mitochondrial; BDH; EC 1.1.1.30; 3-hydroxybutyrate dehydrogenase; | BDH1; BDH; | NP_001029772.1;XP_005201562.1;XP_005201563.1;XP_005201564.1; | 344 | cow |
| Q95106 | Brain-derived neurotrophic factor; BDNF; | BDNF; | NP_001040072.1;XP_005216392.1;XP_005216393.1; | 250 | cow |
| Q4A1L4 | Beclin-1; | BECN1; | NP_001028799.1; | 448 | cow |
