passages.id: 1.0alpha7.train.120.sent
passages.type: sentence
passages.text:  It  was found to bind to  collagen type I, but  collagen preincubated in a  dot blot assay with  heparin did not bind any longerR to  APP.  
coreferences.id: 1.0alpha7.train.120.coref0
coreferences.entity_ids: 1.0alpha7.train.120.ent0_0
coreferences.id: 1.0alpha7.train.120.coref1
coreferences.entity_ids: 1.0alpha7.train.120.ent1_0
coreferences.id: 1.0alpha7.train.120.coref2
coreferences.entity_ids: 1.0alpha7.train.120.ent2_0 1.0alpha7.train.120.ent3_1 1.0alpha7.train.120.ent4_0