passages.id: split_5_test_2431_passage
passages.type: progene_text
passages.text: A complex was shown to be formed between v - Src and RET-MEN2A through association of both with a cholesterol - rich membrane microdomain known as " a raft , " possibly for efficient contact of submembranous domains of Src and RET to promote phosphorylation of Y905 of the latter .