STK17A belongs to the protein kinase superfamily, CAMK Ser/Thr protein kinase family, DAP kinase subfamily. It contains 1 protein kinase domain. STK17A acts as a positive regulator of apoptosis.This gene is a member of the DAP kinase-related apoptosis-inducing protein kinase family and encodes an autophosphorylated nuclear protein with a protein kinase domain. The protein has apoptosis-inducing activity.