Definition: A large group of proteins that control APOPTOSIS. This family of proteins includes many ONCOGENE PROTEINS as well as a wide variety of classes of INTRACELLULAR SIGNALING PEPTIDES AND PROTEINS such as CASPASES.
Other names Regulatory Proteins, Apoptosis; Survival Factors (Apoptosis); Programmed Cell Death Proteins; Death Factors (Apoptosis); Apoptosis Inhibiting Proteins; Apoptosis Inducing Proteins; Pro-Apoptotic Proteins; Anti-Apoptotic Proteins