0 2 0 http://purl.obolibrary.org/obo/GO_0110135 Norrin signaling pathway 'Norrin signaling pathway' SubClassOf 'cell surface receptor signaling pathway involved in cell-cell signaling' http://purl.obolibrary.org/obo/GO_0106166 spindle pole body anchor 'spindle pole body anchor' SubClassOf 'protein membrane anchor'