| Approved Symbol | Approved Name | Previous Symbols | Aliases | Chromosome | Accession Numbers | RefSeq IDs |
| BIRC2 | baculoviral IAP repeat-containing 2 | API1 | cIAP1, hiap-2, MIHB, RNF48 | 11q22 | L49431 | NM_001166 |
| BIRC3 | baculoviral IAP repeat-containing 3 | API2 | cIAP2, hiap-1, MIHC, RNF49, MALT2 | 11q22 | L49432 | NM_001165 |
| BIRC5 | baculoviral IAP repeat-containing 5 | API4 | EPR-1 | 17q25 | U75285 | NM_001168 |
| BIRC6 | baculoviral IAP repeat-containing 6 | | BRUCE | 2p22.3 | AF265555 | NM_016252 |
| BIRC7 | baculoviral IAP repeat-containing 7 | | mliap, ML-IAP, KIAP, RNF50 | 20q13.3 | AF301009 | NM_139317 |
| BIRC8 | baculoviral IAP repeat-containing 8 | | ILP-2, hILP2 | 19q13.3-q13.4 | AF164682 | NM_033341 |
| NAIP | NLR family, apoptosis inhibitory protein | BIRC1 | NLRB1 | 5q13.1 | U19251 | NM_004536 |
| XIAP | X-linked inhibitor of apoptosis | API3, BIRC4 | hILP | Xq25 | U45880 | NM_001167 |