930
The ORF was expressed in bacteria , and the 30-kD protein product was shown to bind DNA in a sequence-specific manner by mobility-shift assays , Southwestern blot analysis , and methylation interference .
 protein: 30-kD protein product; DNA: DNA; DNA: ORF
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: 30-kD protein product; DNA: DNA; DNA: ORF