PPI - iRefIndex UniProt A UniProt B Method PMID Interaction Type Edge type Num Participants Q38942 Q9M9X2 affinity chromatography technology 21189294 physical association X 2 Q9M9X2 Q9FLP5 affinity chromatography technology 20855607 physical association X 2 Q9M9X2 P55852 affinity chromatography technology 20855607 physical association X 2 Q9M9X2 Q42551 two hybrid 20855607 direct interaction X 2