7414
We describe 18 patients from several generations of 12 unrelated families who were heterozygous for 1 to 5 overlapping IFNGR1 frameshift small deletions and a wild-type IFNGR1 allele .
 ( DNA: overlapping IFNGR1 frameshift small deletions, None) , ( DNA: wild-type IFNGR1 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:
 ( DNA: overlapping IFNGR1 frameshift small deletions, None) , ( DNA: wild-type IFNGR1 allele, None) 