KEGG Orthology (KO) [BR:ko00001] 09180 Brite Hierarchies 09183 Protein families: signaling and cellular processes 04090 CD molecules [BR:ko04090] K06578 LU, CD239; Lutheran blood group glycoprotein CD molecules [BR:ko04090] Proteins K06578 CD239, LU; Lutheran blood group (Auberger b antigen included) [HSA:4059]