Domain:The BH3 motif is required for Bcl-2 binding and cytotoxicity. ,Function:Induces apoptosis. Isoform BimL is more potent than isoform BimEL. Isoform Bim-alpha1 , isoform Bim-alpha2 and isoform Bim-alpha3 induce apoptosis , although less potent than the isoforms BimEL , BimL and BimS. Isoform Bim-gamma induces apoptosis. ,similarity:Belongs to the Bcl-2 family. ,subcellular location:Associated with intracytoplasmic membranes. ,subunit:Forms heterodimers with a number of antiapoptotic Bcl-2 proteins including MCL1 , BCL2 , BCL2L1 isoform Bcl-X (L) , BCL2A1/BFL-1 , and BHRF1. Does not heterodimerize with proapoptotic proteins such as BAD , BOK , BAX or BAK. ,tissue specificity:Isoform BimEL , isoform BimL and isoform BimS are the predominant isoforms and are ubiquitously expressed with a tissue-specific variation. Isoform Bim-gamma is most abundantly expressed in small intestine and colon , and in lower levels in spleen , prostate , testis , heart , liver and kidney. ,
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