2286
These aa residues correspond to codons 59 and 108 in the P . falciparum DHFR active site in which similar aa substitutions ( Cys Arg - 59 and Ser Asn - 108 ) are associated with pyrimethamine resistance .
 GENE: P . falciparum DHFR active site
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: P . falciparum DHFR active site