passages.id: split_4_test_920_passage
passages.type: progene_text
passages.text: Here we report that two SH3 domain - containing proteins , endophilin I ( SH3GL2 , SH3p4 ) and a novel SH3 domain - and phox homology ( PX ) domain - containing protein , termed SH3PX1 , can interact with the cytoplasmic domains of the metalloprotease disintegrins MDC9 and MDC15 .