KEGG Orthology (KO) [BR:rno00001] 09180 Brite Hierarchies 09182 Protein families: genetic information processing 04131 Membrane trafficking [BR:rno04131] 303887 Muc4; mucin-4 precursor K22017 MUC4; mucin-4 Membrane trafficking [BR:rno04131] Others Mucins Membrane bound mucins 303887 Muc4; mucin-4 precursor K22017 MUC4; mucin-4