FURIN and neoplasm: The screening results for the ZINC Drug Database (Table S1) showed that anti-tumor drugs aminopterin, fludarabine phosphate, and irinotecan; antibacterial drugs sulfoxone, lomefloxacin, and cefoperazone; antifungal drug hydroxystilbamidine; anti-parasitic drug diminazene; antiviral drug valganciclovir; hepatoprotective drug silybin; folic acid supplement folinic acid; etc., have higher binding affinity to furin with mfscores lower than −100 or scores lower than −30.