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In lymphocytes , the octamer-binding protein Oct-2A and variants thereof are thought to contribute to the B-cell specific gene expression , while the ubiquitous protein Oct-1 seems to control general octamer site -dependent transcription .
 cell type: lymphocytes; DNA: B-cell specific gene; protein: Oct-2A; protein: octamer-binding protein; DNA: octamer site
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:
 cell type: lymphocytes; DNA: B-cell specific gene; protein: Oct-2A; protein: octamer-binding protein; DNA: octamer site