| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| Q63767 | Breast cancer anti-estrogen resistance protein 1; CRK-associated substrate; p130cas; | Bcar1; Cas Crkas; | NP_037063.1; | 968 | rat | 
| Q3ZB98 | Breast carcinoma-amplified sequence 1 homolog; Protein whose mRNA is enriched in synaptosomes 2; Pmes-2; Fragment; | Bcas1; | NULL | 555 | rat | 
| P54690 | Branched-chain-amino-acid aminotransferase, cytosolic; BCAT(c); EC 2.6.1.42; | Bcat1; | NP_058949.1; | 411 | rat | 
| O35854 | Branched-chain-amino-acid aminotransferase, mitochondrial; BCAT(m); EC 2.6.1.42; | Bcat2; Bcatm Eca40; | NP_071795.1; | 393 | rat | 
| Q91XT5 | Beta,beta-carotene 15,15'-monooxygenase; EC 1.14.99.36; Beta-carotene dioxygenase 1; Beta-carotene oxygenase 1; | Bco1; Bcdo Bcdo1 Bcmo1; | NULL | 566 | rat | 
| Q00972 | [3-methyl-2-oxobutanoate dehydrogenase [lipoamide]] kinase, mitochondrial; EC 2.7.11.4; Branched-chain alpha-ketoacid dehydrogenase kinase; BCKD-kinase; BCKDHKIN; | Bckdk; | NP_062117.2; | 412 | rat | 
| Q9QYN5 | B-cell lymphoma/leukemia 10; B-cell CLL/lymphoma 10; Bcl-10; R-RCD1; RCD; | Bcl10; | NP_112618.1; | 233 | rat | 
| P49950 | Apoptosis regulator Bcl-2; | Bcl2; Bcl-2; | NP_058689.1; | 236 | rat | 
| D4A1J4 | 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_001099943.1;XP_006233384.1; | 245 | rat | 
| P29147 | D-beta-hydroxybutyrate dehydrogenase, mitochondrial; BDH; EC 1.1.1.30; 3-hydroxybutyrate dehydrogenase; | Bdh1; Bdh; | NP_446447.2;XP_006248540.1;XP_008766913.1; | 343 | rat | 
| P23363 | Brain-derived neurotrophic factor; BDNF; | Bdnf; | NP_001257559.1;NP_001257560.1;NP_001257561.1;NP_001257562.1;NP_001257563.1;NP_001257564.1;NP_001257565.1;NP_001257566.1;NP_001257567.1;NP_036645.2;XP_008760300.1; | 249 | rat | 
| Q91XJ1 | Beclin-1; Coiled-coil myosin-like BCL2-interacting protein; Protein GT197; | Becn1; | NP_001029289.1;NP_446191.1; | 448 | rat | 
| O88881 | Brain-enriched guanylate kinase-associated protein; | Begain; | NP_001104585.1;NP_077077.1; | 611 | rat | 
| O35152 | BET1-like protein; Golgi SNARE with a size of 15 kDa; GOS-15; GS15; Vesicle transport protein GOS15; | Bet1l; Gs15; | NP_062241.2;XP_006230636.1; | 111 | rat | 
| Q62896 | BET1 homolog; rBET1; Golgi vesicular membrane-trafficking protein p18; | Bet1; | NP_062124.1; | 118 | rat | 
| Q3MKQ2 | Protein BEX1; Brain-expressed X-linked protein 1 homolog; EG2RVC; | Bex1; | NP_001032442.1; | 128 | rat | 
| Q3MKQ1 | Protein BEX2; Brain-expressed X-linked protein 2 homolog; | Bex2; | NP_001070903.1; | 129 | rat | 
| Q6PDU5 | Protein BEX3; Brain-expressed X-linked protein 3 homolog; rBex3; Nerve growth factor receptor-associated protein 1; p75NTR-associated cell death executor; | Ngfrap1; Bex3 Nade; | NP_445853.1;XP_006257319.1;XP_006257320.1; | 130 | rat | 
| Q3MKP9 | Protein BEX4; BEX1-like protein 1; Brain-expressed X-linked protein 4 homolog; | Bex4; Bexl1; | NP_001032643.1; | 118 | rat | 
| Q5PQN2 | Bifunctional apoptosis regulator; | Bfar; | NP_001013143.1; | 450 | rat | 
