passages.id: 1.0alpha7.train.558.sent
passages.type: sentence
passages.text: Phosphorylation events are important for the regulation of  Sp1 binding to the  NRE site.
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coreferences.entity_ids: 1.0alpha7.train.558.ent0_0
coreferences.id: 1.0alpha7.train.558.coref1
coreferences.entity_ids: 1.0alpha7.train.558.ent1_0