passages.id: 1.0alpha7.train.417.sent
passages.type: sentence
passages.text:  A program of study focused on identifying these binding site(s) ( 5,  6,  46,  47) culminated in the discovery that  synaptotagmin I bound  AP-2 with high affinity  in vitro ( 7).  
coreferences.id: 1.0alpha7.train.417.coref0
coreferences.entity_ids: 1.0alpha7.train.417.ent0_0
coreferences.id: 1.0alpha7.train.417.coref1
coreferences.entity_ids: 1.0alpha7.train.417.ent1_0