passages.id: split_4_test_923_passage
passages.type: progene_text
passages.text: Since rat endophilin I is thought to play a role in synaptic vesicle endocytosis and SH3PX1 has sequence similarity to sorting nexins in yeast , we propose that endophilin I and SH3PX1 may have a role in regulating the function of MDC9 and MDC15 by influencing their intracellular processing , transport , or final subcellular localization .