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In addition, the Ah receptor complex recognized a DNA binding site for B cell lineage-specific activator protein ( BSAP ) in the promoter region of the human CD19 gene which is similar to the consensus Ah receptor DNA binding site .
 DNA: DNA binding site; protein: Ah receptor; protein: B cell lineage-specific activator protein; DNA: CD19 gene; protein: Ah receptor complex; protein: BSAP; DNA: promoter region; DNA: consensus Ah receptor DNA binding site; DNA: DNA binding site; protein: Ah receptor
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: DNA binding site, Ah receptor, B cell lineage-specific activator protein, CD19 gene, Ah receptor complex, BSAP, promoter region, consensus Ah receptor DNA binding site, DNA binding site, Ah receptor 
Answer:
 DNA: DNA binding site; protein: Ah receptor; protein: B cell lineage-specific activator protein; DNA: CD19 gene; protein: Ah receptor complex; protein: BSAP; DNA: promoter region; DNA: consensus Ah receptor DNA binding site; DNA: DNA binding site; protein: Ah receptor