4325
Control oligomers of scrambled sequence but identical base composition were ineffective , and no TFO - induced recombination was seen in a control LTK ( - ) cell line carrying an otherwise identical dual TK gene construct lacking the 30 - bp polypurine target site .
 GENE: TK gene construct
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: TK gene construct