passages.id: split_7_validation_1022_passage
passages.type: progene_text
passages.text: Seven lines represent cell signaling and cytoskeletal components that are new to the Ras1 pathway ; these are Chickadee ( Profilin ) , Tec29 , Dreadlocks , POSH , Peanut , Smt3 , and MESK2 , a suppressor of dominant - negative Ksr .