6335
The E1 gene is located within the first intron of the gene for RCC1 , a protein that regulates onset of mitosis .
 GENE: E1 gene; GENE: RCC1
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: E1 gene, RCC1 
Answer:
 GENE: E1 gene; GENE: RCC1