6044
As a consequence, B-lymphoid tissues are mosaic with regard to the transcribed allele , and heterozygous mutation of Pax5 therefore results in deletion of B lymphocytes expressing only the mutant allele .
 ( cell type: B lymphocytes, None) , ( DNA: mutant allele, None) , ( protein: Pax5, None) , ( DNA: allele, None) , ( DNA: allele, 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 type: B lymphocytes, None) , ( DNA: mutant allele, None) , ( protein: Pax5, None) , ( DNA: allele, None) , ( DNA: allele, None) 