| Gene | Description | Domains | Gene lists |
|---|---|---|---|
| Bak1 | — | Bcl-2 | — |
| Bax | — | Bcl-2, BID, CF222, TetR_C_30 | — |
| Bcl2 | — | ARMH5, Bcl-2, Bcl-2_3, BH4 | — |
| Bcl2a1a | — | Bcl-2, CCDC24 | — |
| Bcl2a1b | — | Bcl-2 | — |
| Bcl2a1c | — | Bcl-2, PBDC1 | — |
| Bcl2a1d | — | Bcl-2 | — |
| Bcl2l1 | — | Bcl-2, Bcl-2_3, BH4 | — |
| Bcl2l10 | — | Bcl-2, CTD8, FH3_FHOD1-3 | — |
| Bcl2l13 | — | Bcl-2, CEND1, HSCB_C, PRCC | — |
| Bcl2l14 | — | Bcl-2, CF222, LuxT_C | — |
| Bcl2l15 | — | Bcl-2, CRR9 | — |
| Bcl2l2 | — | ABATE, Apolipoprotein, Bcl-2, BH4, DUF2486, HTH_AsnC-type, HTH_Tnp_4 | — |
| Bid | — | Bcl-2, BID | — |
| Bok | — | Bcl-2, CueP | — |
| Mcl1 | — | Bcl-2 | — |