2870
SCL protein was detected in erythroid , megakaryocyte , mast and early myeloid cell lines , as well as in several lymphoid leukemia cell lines which are known to harbor SCL gene rearrangements .
 ( cell line: lymphoid leukemia cell lines, None) , ( protein: SCL protein, None) , ( DNA: SCL gene rearrangements, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell line: lymphoid leukemia cell lines, None) , ( protein: SCL protein, None) , ( DNA: SCL gene rearrangements, None) 