PPARGC1B (Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-Beta): PPARGC1B is a coactivator of the PPARγ receptor that plays a crucial role in energy metabolism. It assists in regulating genes involved in energy production, including mitochondrial biogenesis and fatty acid metabolism. This gene is significant in metabolic processes and has been linked to conditions such as obesity and diabetes.