passages.id: 1.0alpha7.train.763.sent
passages.type: sentence
passages.text: To identify which region of  HP1 binds to the  H4 peptides, we used an rHP1 sample in which the protein had been cleaved into two peptides.
coreferences.id: 1.0alpha7.train.763.coref0
coreferences.entity_ids: 1.0alpha7.train.763.ent0_0
coreferences.id: 1.0alpha7.train.763.coref1
coreferences.entity_ids: 1.0alpha7.train.763.ent1_0
coreferences.id: 1.0alpha7.train.763.coref2
coreferences.entity_ids: 1.0alpha7.train.763.ent2_0