Four fields indicate the gene product being annotated, the ontology terms used in the association, the type of evidence supporting the annotation and the reference where the original evidence was presented. The three annotations described in this manuscript are shown.<p><b>Copyright information:</b></p><p>Taken from "Gene Ontology annotations: what they mean and where they come from"</p><p>http://www.biomedcentral.com/1471-2105/9/S5/S2</p><p>BMC Bioinformatics 2008;9(Suppl 5):S2-S2.</p><p>Published online 29 Apr 2008</p><p>PMCID:PMC2367625.</p><p></p