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Transient transfection assays with EGR-1 promoter fragments linked to the chloramphenicol acetyltransferase ( CAT ) gene demonstrated that PWM induced EGR-1 transcription is conferred by the CArG motif ( C C[AT]6GG ) in the EGR-1 promoter .
 PWM, chloramphenicol acetyltransferase, EGR-1, EGR-1 promoter, EGR-1, chloramphenicol acetyltransferase ( CAT ) gene, EGR-1, CArG motif, C C[AT]6GG, CAT, EGR-1 promoter fragments
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:
 PWM, chloramphenicol acetyltransferase, EGR-1, EGR-1 promoter, EGR-1, chloramphenicol acetyltransferase ( CAT ) gene, EGR-1, CArG motif, C C[AT]6GG, CAT, EGR-1 promoter fragments