Question: where do gene regulators bind on the dna double helix
[{'answer': 'leucine zipper ( bZIP )', 'provenance': [{'wikipedia_id': '3200477', 'title': 'DNA-binding domain', 'start_paragraph_id': 17, 'start_character': 10, 'end_paragraph_id': 17, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::Types.:Leucine zipper.\n'}]}, {'provenance': [{'wikipedia_id': '3200477', 'title': 'DNA-binding domain', 'start_paragraph_id': 17, 'start_character': 106, 'end_paragraph_id': 17, 'end_character': 475, 'bleu_score': 0.914679618170204, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3627169253133495844}, 'section': 'Section::::Types.:Leucine zipper.\n'}]}]