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Phosphotyrosine immunoprecipitation followed by Western blot analysis with a set of Jak kinase specific antibodies , identified p130 as Jak2 in the tax transformed mouse fibroblastic cell line and Jak3 in HTLV-1 transformed human T cell lines .
 protein: Jak kinase; protein: Jak kinase specific antibodies; protein: Jak3; cell line: mouse fibroblastic cell line; cell line: HTLV-1 transformed human T cell lines; protein: Jak2; protein: tax
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: Jak kinase; protein: Jak kinase specific antibodies; protein: Jak3; cell line: mouse fibroblastic cell line; cell line: HTLV-1 transformed human T cell lines; protein: Jak2; protein: tax