321
The protein product of orfD , which is probably a new tra gene ( named traX ) , contains 65 % hydrophobic amino acids , especially rich in alanine and leucine .
 GENE: orfD; GENE: tra gene; GENE: traX
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: orfD; GENE: tra gene; GENE: traX