passages.id: 1.0alpha7.train.1192.sent
passages.type: sentence
passages.text: One possibility is that in response to the checkpoint signal additional  Mad2 molecules bind and inhibit  Cdc20 or that  Mad2 facilitates an inhibitory modification of the  Cdc20 pool.
coreferences.id: 1.0alpha7.train.1192.coref0
coreferences.entity_ids: 1.0alpha7.train.1192.ent0_0 1.0alpha7.train.1192.ent1_1
coreferences.id: 1.0alpha7.train.1192.coref1
coreferences.entity_ids: 1.0alpha7.train.1192.ent2_0 1.0alpha7.train.1192.ent3_1