passages.id: 1.0alpha7.train.95.sent
passages.type: sentence
passages.text:  In contrast, the  Rb-binding domain of the  transcriptional  regulatory protein E2F possesses neither the  viral  protein homology nor the LxCxE motif, but  E2F also binds the  hypophosphorylated form of   Rb( 12,  13,  14,  15) .  
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coreferences.id: 1.0alpha7.train.95.coref1
coreferences.entity_ids: 1.0alpha7.train.95.ent1_0
coreferences.id: 1.0alpha7.train.95.coref2
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coreferences.id: 1.0alpha7.train.95.coref3
coreferences.entity_ids: 1.0alpha7.train.95.ent4_0 1.0alpha7.train.95.ent5_1