passages.id: 1.0alpha7.train.869.sent
passages.type: sentence
passages.text: We estimate that 50% of the overexpressed  MEKK1 was bound to  Raf-1.
coreferences.id: 1.0alpha7.train.869.coref0
coreferences.entity_ids: 1.0alpha7.train.869.ent0_0
coreferences.id: 1.0alpha7.train.869.coref1
coreferences.entity_ids: 1.0alpha7.train.869.ent1_0