Interactions between identical nodes: 1
http://classic.wikipathways.org/instance/WP382_r129673 http://rdf.wikipathways.org/Pathway/WP382_r129673/WP/Interaction/c7324 "Ca2+" (https://identifiers.org/hmdb/HMDB0000464) and
Ca2+" (https://identifiers.org/hmdb/HMDB0000464)
More details at https://www.wikipathways.org/WikiPathwaysCurator/InteractionTests/possibleTranslocations