passages.id: 1.0alpha7.train.476.sent
passages.type: sentence
passages.text:  Since our data suggested that  MEIS1 was bound to either  HOXA9 and/or  PBX1a in the presence of DNA, we wished to study the interactions between these molecules in the absence of a DNA target.  
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coreferences.entity_ids: 1.0alpha7.train.476.ent4_0