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These receptor functions required the presence of the box 3 motifs , as shown by the analysis of the mouse IL-10R constructs containing progressively truncated cytoplasmic domains .
 protein: progressively truncated cytoplasmic domains; protein: box 3 motifs; protein: IL-10R
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: progressively truncated cytoplasmic domains, box 3 motifs, IL-10R 
Answer:
 protein: progressively truncated cytoplasmic domains; protein: box 3 motifs; protein: IL-10R