919
The human protein recognized by the EC1 antibody is a 56-kDa protein ( p56 ) of moderate abundance located predominantly in the cytoplasm by indirect immunofluorescence .
 protein: 56-kDa protein; protein: p56; protein: EC1 antibody
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: 56-kDa protein; protein: p56; protein: EC1 antibody