KEGG Orthology (KO) [BR:sfm00001] 09180 Brite Hierarchies 09181 Protein families: metabolism 01002 Peptidases and inhibitors [BR:sfm01002] 108932092 transmembrane protease serine 4-like K09635 TMPRSS4; transmembrane protease serine 4 [EC:3.4.21.-] Peptidases and inhibitors [BR:sfm01002] Serine peptidases Family S1: chymotrypsin family 108932092 transmembrane protease serine 4-like K09635 TMPRSS4; transmembrane protease serine 4 [EC:3.4.21.-]