The family consists of 15 genes, of which 12 (KLK2, KLK3, KLK4, KLK5, KLK6, KLK7, KLK8, KLK10, KLK11, KLK13, KLK14, and KLK15) appear to be overexpressed in ovarian cancer. The gene discussed is KLK13; the disease is ovarian cancer.