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Spi-C interacted with DNA similarly to PU.1 as judged by methylation interference , band-shift and site selection analysis , and activated transcription of a kappaY element reporter gene upon co-transfection of HeLa cells .
 protein: Spi-C; cell line: HeLa cells; DNA: kappaY element reporter gene; protein: PU.1
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: Spi-C, HeLa cells, kappaY element reporter gene, PU.1 
Answer:
 protein: Spi-C; cell line: HeLa cells; DNA: kappaY element reporter gene; protein: PU.1