passages.id: 1.0alpha7.train.905.sent
passages.type: sentence
passages.text: Rac was immunoprecipitated, and following extensive washing the amount of GTP bound to Rac was estimated by scintillation counting. 
coreferences.id: 1.0alpha7.train.905.coref0
coreferences.entity_ids: 1.0alpha7.train.905.ent0_0
coreferences.id: 1.0alpha7.train.905.coref1
coreferences.entity_ids: 1.0alpha7.train.905.ent1_0 1.0alpha7.train.905.ent2_1