PRO_ID Object_term Object_syny Modifier Relation Ontology_ID Ontology_term Relative_to Interaction_with Evidence_source Evidence_code Taxon Inferred_from DB_ID Date Assigned_by Comment PR:P01730 T-cell surface glycoprotein CD4 (human) CD4|hCD4|T-cell surface antigen T4/Leu-3 (human) acts_upstream_of_or_within GO:0090630 activation of GTPase activity PMID:9269777 EXP NCBITaxon:9606 UniProtKB:P01730 20090717 PRO:CL PR:P01730 T-cell surface glycoprotein CD4 (human) CD4|hCD4|T-cell surface antigen T4/Leu-3 (human) enables GO:0005515 protein binding PR:P05879 PMID:9269777 IPI NCBITaxon:9606 UniProtKB:P01730 20090717 PRO:CL Note=Binding between proteins from heterogeneous species