1317
As in HMG1B , the overall structure of the Sox-4 HMG box is L-shaped and is maintained by a cluster of conserved, mainly aromatic residues .
 protein: HMG1B; protein: Sox-4; protein: HMG box
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: HMG1B; protein: Sox-4; protein: HMG box