Multiple Bcl-2 family members demonstrate selective dimerizations with Bax.
收藏PubMed Central1995-08-15 更新2026-05-02 收录
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https://pmc.ncbi.nlm.nih.gov/articles/PMC41240/
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资源简介：
A family of Bcl-2-related proteins regulates cell death and shares highly conserved BH1 and BH2 domains. BH1 and BH2 domains of Bcl-2 were required for it to heterodimerize with Bax and to repress apoptosis. A yeast two-hybrid assay accurately reproduced this interaction and defined a selectivity and hierarchy of further dimerizations. Bax also heterodimerizes with Bcl-xL, Mcl-1, and A1. A Gly-159-->Ala substitution in BH1 of Bcl-xL disrupted its heterodimerization with Bax and abrogated its inhibition of apoptosis in mammalian cells. This suggests that the susceptibility to apoptosis is determined by multiple competing dimerizations in which Bax may be a common partner. IMAGES:
提供机构：
National Academy of Sciences
创建时间：
1995-08-15
