1157
The pyrR and pyrP genes encoded polypeptides with calculated molecular masses of 19 . 9 and 45 . 2 kDa , respectively .
 GENE: pyrR; GENE: pyrP genes
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: pyrR; GENE: pyrP genes