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B-cell-specific transcription of this gene was dependent on the octamer element 5'-ATGCAAAG-3' , located in the upstream region of this promoter and in the promoters of all other immunoglobulin heavy- and light- chain genes .
 DNA: upstream region; DNA: octamer element; DNA: promoters; DNA: promoter
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:
 DNA: upstream region; DNA: octamer element; DNA: promoters; DNA: promoter