4550
Biochemical studies have identified a cellular non - P element - encoded DNA binding protein , termed the inverted repeat binding protein ( IRBP ) , that specifically interacts with the outer half of the 31 - bp terminal inverted repeats .
 GENE: non - P element - encoded DNA binding protein; GENE: inverted repeat binding protein; GENE: IRBP
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: non - P element - encoded DNA binding protein; GENE: inverted repeat binding protein; GENE: IRBP