passages.id: 1.0alpha7.train.412.sent
passages.type: sentence
passages.text:  Although the residual activity was close to background,  TPA may still be bound to  PKC and thereby maintain phosphorylation and activation of the substrate.  
coreferences.id: 1.0alpha7.train.412.coref0
coreferences.entity_ids: 1.0alpha7.train.412.ent0_0
coreferences.id: 1.0alpha7.train.412.coref1
coreferences.entity_ids: 1.0alpha7.train.412.ent1_0