GO_REF:0000003
Gene Ontology annotation based on Enzyme Commission mapping
GO_REF:0000104
Electronic Gene Ontology annotations created by transferring manual GO annotations between related proteins based on shared sequence features
GO_REF:0000107
Automatic transfer of experimentally verified manual GO annotation data to orthologs using Ensembl Compara
GO_REF:0000120
Combined Automated Annotation using Multiple IEA Methods