Interactions between identical nodes: 1
http://classic.wikipathways.org/instance/WP5039_r125309 http://rdf.wikipathways.org/Pathway/WP5039_r125309/WP/Interaction/c94fa "SMAD3" (https://identifiers.org/ensembl/ENSG00000166949) and
SMAD3" (https://identifiers.org/ensembl/ENSG00000166949)
More details at https://www.wikipathways.org/WikiPathwaysCurator/InteractionTests/possibleTranslocations