has_participant has participant has participant identical protein binding protein homodimerization activity GO:0042803 Interacting selectively and non-covalently with an identical protein to form a homodimer. dimerization activity molecular_function protein dimerization activity APOE CD247 CRYAB FLT3 GZMA IGJ KIT NTRK1 CCL5 SLC4A1 SLC34A1 TBX1 CUBN SLC22A6 FBLN5 PLVAP CADM2