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Biochemical analysis of the region -158/-90 revealed a binding site for transcription factors of the polyomavirus enhancer-binding protein 2/core-binding factor (PEBP2/CBF) family at position -103 .
 -158/-90, transcription factors, polyomavirus enhancer-binding protein 2/core-binding factor (PEBP2/CBF) family, position -103
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 -158/-90, transcription factors, polyomavirus enhancer-binding protein 2/core-binding factor (PEBP2/CBF) family, position -103