11274
Lys ( 193 ) and Arg ( 194 ) , located at the COOH - terminal end of HD , are essential for dimerization .
 GENE: HD
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: HD 
Answer:
 GENE: HD