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 Protein _region Modified_residue, MOD_ID Date Assigned_by Equivalent_Form Comment Protein_Features PR:000000105 nodal protein NODAL has_function GO:0016015 morphogen activity PIRSF:PIRSF037400 ISS PIRSF:PIRSF037400 PIRSF:PIRSF037400|UniProtKB:Q96S42, P43021 20080301 PRO:CNA UniProtKB:P43021, Q96S42 PR:000000105 nodal protein NODAL participates_in GO:0007368 determination of left/right symmetry PIRSF:PIRSF037400 ISS PIRSF:PIRSF037400 PIRSF:PIRSF037400|UniProtKB:Q96S42, P43021 20080301 PRO:CNA UniProtKB:P43021, Q96S42