PPI - iRefIndex UniProt A UniProt B Method PMID Interaction Type Edge type Num Participants O94650 O94538 - 15620657 - X 2 O94650 O94538 two hybrid 15620657 direct interaction X 2 O94650 O94538 imaging technique 15620657 colocalization X 2 O94538 Q12381 affinity chromatography technology 15755920 physical association X 2 Q9P7H6 O94538 affinity chromatography technology 21386897 physical association X 2 O94538 tandem affinity purification 21386897 association C 28 O94650 O94538 two hybrid 15620657 physical association X 2 O94650 O94538 pull down 15620657 direct interaction X 2