name GO_0000362 namespace http://purl.org/obo/owl/GO# parent ObsoleteClass comment [] This term was made obsolete because the activities used in the U2- and U12-type complexes are the same. The cellular component ontology should (and does) represent the two different complexes, but the molecular function ontology should not. hasOBONamespace [] molecular_function label [en] first U2-type spliceosomal transesterification activity