| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species | 
| Q9QZU7 | Gamma-butyrobetaine dioxygenase; EC 1.14.11.1; Gamma-butyrobetaine hydroxylase; Gamma-BBH; Gamma-butyrobetaine,2-oxoglutarate dioxygenase; | Bbox1; Bbh; | NP_072151.1; | 387 | rat | 
| Q792S6 | Bcl-2-related ovarian killer protein; | Bok; | NP_059008.1; | 213 | rat | 
| Q562C2 | Ribosome biogenesis protein BOP1; Block of proliferation 1 protein; | Bop1; | NP_001019421.1; | 731 | rat | 
| Q5M864 | Protein aurora borealis; | Bora; | NP_001014019.1; | 534 | rat | 
| Q6AXW0 | Borealin; Cell division cycle-associated protein 8; | Cdca8; | NP_001020221.1;XP_008762286.1; | 288 | rat | 
| Q5PQP4 | Cdc42 effector protein 2; Binder of Rho GTPases 1; | Cdc42ep2; Borg1 Cep2; | NP_001009689.1;XP_006230868.1;XP_006230869.1;XP_006230871.1;XP_008758362.1;XP_008758363.1;XP_008758364.1; | 214 | rat | 
| A1A5P0 | Cdc42 effector protein 1; Binder of Rho GTPases 5; | Cdc42ep1; Borg5; | NP_001073168.1; | 388 | rat | 
| Q8K4I4 | BPI fold-containing family A member 1; Palate lung and nasal epithelium clone protein; | Bpifa1; Plunc; | NP_742028.1; | 270 | rat | 
| Q63471 | BPI fold-containing family A member 2; Neonatal submandibular gland protein; Parotid secretory protein; PSP; | Bpifa2; Psp; | NP_434695.1; | 235 | rat | 
| A0JPN3 | BPI fold-containing family B member 1; Long palate, lung and nasal epithelium carcinoma-associated protein 1; | Bpifb1; Lplunc1; | NP_001071148.2; | 471 | rat | 
| Q05701 | BPI fold-containing family B member 3; Ligand-binding protein RYA3; Long palate, lung and nasal epithelium carcinoma-associated protein 3; | Bpifb3; Lplunc3 Rya3; | XP_006235414.1; | 473 | rat | 
| Q05704 | BPI fold-containing family B member 4; Ligand-binding protein RY2G5; Long palate, lung and nasal epithelium carcinoma-associated protein 4; | Bpifb4; Lplunc4 Ry2g5; | NP_001102679.2; | 617 | rat | 
| Q6AXU0 | Bactericidal permeability-increasing protein; BPI; | Bpi; | NP_001004079.1; | 482 | rat | 
| Q9Z1N4 | 3'(2'),5'-bisphosphate nucleotidase 1; EC 3.1.3.7; Bisphosphate 3'-nucleotidase 1; PAP-inositol 1,4-phosphatase; PIP; scHAL2 analogous 3; | Bpnt1; Sal3; | NP_741987.1;XP_006250493.1; | 308 | rat | 
| O54952 | Breast cancer type 1 susceptibility protein homolog; EC 6.3.2.-; | Brca1; | NP_036646.1; | 1817 | rat | 
| O35923 | Breast cancer type 2 susceptibility protein homolog; Fanconi anemia group D1 protein homolog; | Brca2; Fancd1; | NULL | 3343 | rat | 
| B2RYM5 | Lys-63-specific deubiquitinase BRCC36; EC 3.4.19.-; BRCA1-A complex subunit BRCC36; BRCA1/BRCA2-containing complex subunit 3; BRCA1/BRCA2-containing complex subunit 36; BRISC complex subunit BRCC36; | Brcc3; Brcc36; | NP_001120772.1; | 291 | rat | 
| Q6MGA9 | Bromodomain-containing protein 2; Protein RING3; | Brd2; Ring3; | NP_997660.1;XP_006256099.1; | 798 | rat | 
| D4A7T3 | Bromodomain testis-specific protein; | Brdt; | NULL | 952 | rat | 
| Q8CJB9 | E3 ubiquitin-protein ligase BRE1B; BRE1-B; EC 6.3.2.-; RING finger protein 40; Syntaxin-1-interacting RING finger protein; Protein staring; | Rnf40; Bre1b; | NP_703201.1; | 1002 | rat | 
