12010
Elf-2b lacks a putative transactivation domain .
 protein: Elf-2b; protein: putative transactivation domain
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: Elf-2b, putative transactivation domain 
Answer:
 protein: Elf-2b; protein: putative transactivation domain