---
alt_id: 
  - GO_REF:0000005
authors: GOA curators, MGI curators
citation: "PMID:11374909"
external_accession: 
  - MGI:2152096
  - J:72245
  - ZFIN:ZDB-PUB-031118-3
  - SGD_REF:S000124037
id: "GO_REF:0000003"
is_obsolete: false
year: 2001
layout: goref
---

## Gene Ontology annotation based on Enzyme Commission mapping

Transitive assignment using Enzyme Commission identifiers. This method is used for any database entry, such as a protein record in UniProtKB or TrEMBL, that has had an Enzyme Commission number assigned. The corresponding GO term is determined using the EC cross-references in the GO molecular function ontology. Also see Hill et al., Genomics (2001) 74:121-128. The mapping file is available at http://www.geneontology.org/external2go/ec2go.