passages.id: 1.0alpha7.train.115.sent
passages.type: sentence
passages.text: To identify the region within the cortactin amino terminus responsible for associating with the Arp2/3 complex, Sepharose beads covalently coupled to the NTA and repeats regions were incubated with 10T1/2 fibroblast lysate, and Arp2/3 binding was assayed by immunoblotting (Fig. 6 A). 
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coreferences.entity_ids: 1.0alpha7.train.115.ent1_0
coreferences.id: 1.0alpha7.train.115.coref2
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coreferences.id: 1.0alpha7.train.115.coref3
coreferences.entity_ids: 1.0alpha7.train.115.ent3_0 1.0alpha7.train.115.ent4_1