Severe acute respiratory syndrome coronavirus 3b protein
This family of proteins is found in viruses. Proteins in this family are typically between 32 and 154 amino acids in length. This family contains the SARS coronavirus 3b protein which is predominantly localized in the nucleolus, and induces G0/G1 arrest and apoptosis in transfected cells.
Jiyao W et al.(2023). "The conserved domain database in 2023.",