1280
The derived 103-amino-acid basic protein has two potential alpha-helical domains separated by a hydrophobic region with the potential to generate turns and assume a beta-sheet conformation .
 protein: hydrophobic region; protein: 103-amino-acid basic protein; protein: alpha-helical domains
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: hydrophobic region, 103-amino-acid basic protein, alpha-helical domains 
Answer:
 protein: hydrophobic region; protein: 103-amino-acid basic protein; protein: alpha-helical domains