passages.id: 1.0alpha7.train.631.sent
passages.type: sentence
passages.text: Binding of  actin to  profilin was performed by using  glutathione S-transferase fusion protein with  human profilin [glutathione S-transferase (GST)-profilin coupled to glutathione Sepharose 4B beads (Amersham Pharmacia).
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coreferences.id: 1.0alpha7.train.631.coref2
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