8855
Homozygotes for a polymorphism at codon 352 ( genotype tt ) were significantly underrepresented among those with tuberculosis (chi2=6.22, 1 df, P=.01) and persistent hepatitis B infection (chi2=6.25, 1 df, P=.01) but not in subjects with clinical malaria compared with the other genotypes .
 ( DNA: codon 352, 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: codon 352, None) 