ASB2 (Ankyrin Repeat and SOCS Box Containing 2): ASB2 is a member of the ASB family involved in the ubiquitin-proteasome pathway, which regulates protein degradation. ASB2 functions by targeting specific proteins for ubiquitination and subsequent breakdown, helping control protein levels within cells. It plays an important role in regulating actin cytoskeleton dynamics and muscle function. Additionally, ASB2 is linked to the regulation of hematopoietic stem cell differentiation and may impact the development of certain leukemias and muscular disorders. Dysregulation of ASB2 can disturb normal cellular homeostasis.