4384
Although IRS - 1 , - 2 , and - 4 are similar in overall structure , IRS - 3 is approximately 50 % shorter and differs with respect to sites of tyrosine phosphorylation .
 GENE: IRS - 1 , - 2 , and - 4; GENE: IRS - 3
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: IRS - 1 , - 2 , and - 4; GENE: IRS - 3