Livin is a novel member of IAPs (inhibitors of apoptosis protein) family, which is expressed highly in a variety of tumors but not in majority of normal tissues. This protein contains a BIR domain and a RING finger domain just like other members of IAPs.

• Livin是IAPs(inhibitorsofapoptosisproteins,IAPs)蛋白家族的新成员 ,有BIR和RING指结构域 ,能够与Caspas es蛋白结合 ,抑制其介导的细胞凋亡。