1022
Homology is much higher ( 64 % ) between the 28 - kDa protein and regions that are strongly conserved among the members of the serine protease family .
 GENE: serine protease family
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: serine protease family