The Tuberculosis KEGG pathway groups all human and M. tuberculosis proteins that have been involved in host-pathogen interactions and as expected five proteins were mapped to this pathway: lipoprotein LpqH, lipoprotein LprG, phosphate transport system substrate-binding protein pstS, acid phosphatase SapM, and the 6 kDa early secretory antigenic target ESAT-6 (Table S3). Here, KLK4 is linked to tuberculosis.