passages.id: 1.0alpha7.train.616.sent
passages.type: sentence
passages.text: It is possible that the insert mediates direct binding of  MEK to  ERK or that it binds other proteins that affect  MEK-ERK coupling.
coreferences.id: 1.0alpha7.train.616.coref0
coreferences.entity_ids: 1.0alpha7.train.616.ent0_0 1.0alpha7.train.616.ent1_1
coreferences.id: 1.0alpha7.train.616.coref1
coreferences.entity_ids: 1.0alpha7.train.616.ent2_0 1.0alpha7.train.616.ent3_1