name GO_0000367 namespace http://purl.org/obo/owl/GO# parent ObsoleteClass label [en] second U12-type spliceosomal transesterification activity hasOBONamespace [] molecular_function 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.