Using these three selected PSMs, we established the OS model for AML as follows: (−4.89609189549345) + PSMB8 × 0.42609122411197 + PSMG1 × 0.472224045804605 + PSMG4 × (−0.444355125699367). The gene discussed is PSMB8; the disease is acute myeloid leukemia.