4734
Gel mobility shift assays and DNase I footprinting demonstrated that GM3 formed a sequence-specific collinear triplex with its double-stranded DNA target .
 ( DNA: double-stranded DNA target, None) , ( protein: DNase I, None) , ( DNA: sequence-specific collinear triplex, 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:
 ( DNA: double-stranded DNA target, None) , ( protein: DNase I, None) , ( DNA: sequence-specific collinear triplex, None) 