11835
A chimeric IL-6 receptor , comprised of the intracellular tail of the IL-6 receptor subunit gp130 fused to the extracellular domain of the epidermal growth factor (EGF) receptor , was stably transfected into SKW6.4 cells .
 protein: gp130; cell line: SKW6.4 cells; protein: intracellular tail; protein: IL-6 receptor subunit; protein: extracellular domain; protein: IL-6; protein: epidermal growth factor (EGF) receptor; protein: IL-6 receptor; protein: IL-6
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: gp130, SKW6.4 cells, intracellular tail, IL-6 receptor subunit, extracellular domain, IL-6, epidermal growth factor (EGF) receptor, IL-6 receptor, IL-6 
Answer:
 protein: gp130; cell line: SKW6.4 cells; protein: intracellular tail; protein: IL-6 receptor subunit; protein: extracellular domain; protein: IL-6; protein: epidermal growth factor (EGF) receptor; protein: IL-6 receptor; protein: IL-6