9283
Biochemical analysis reveals that KS1 is a nuclear protein containing two transcriptional repressor domains , R1 and R2 .
 GENE: KS1
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: KS1 
Answer:
 GENE: KS1