passages.id: 1.0alpha7.train.679.sent
passages.type: sentence
passages.text: The polypeptide encoded by the cDNA isolated above was expressed in Escherichia coli either as a His-tagged protein (His6-cl.50) or as a GST fusion protein (GST-cl.50). 
coreferences.id: 1.0alpha7.train.679.coref0
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coreferences.id: 1.0alpha7.train.679.coref1
coreferences.entity_ids: 1.0alpha7.train.679.ent2_0
coreferences.id: 1.0alpha7.train.679.coref2
coreferences.entity_ids: 1.0alpha7.train.679.ent3_0
coreferences.id: 1.0alpha7.train.679.coref3
coreferences.entity_ids: 1.0alpha7.train.679.ent4_0 1.0alpha7.train.679.ent5_1
coreferences.id: 1.0alpha7.train.679.coref4
coreferences.entity_ids: 1.0alpha7.train.679.ent6_0
coreferences.id: 1.0alpha7.train.679.coref5
coreferences.entity_ids: 1.0alpha7.train.679.ent7_0