passages.id: 1.0alpha7.train.615.sent
passages.type: sentence
passages.text: However, although the armadillo domain is much more accessible, E-cadherin does not bind to phosphorylated β-catenin since the presence of a negative charge makes it difficult to establish the correct ion pairs required for the interaction between these two proteins (lower right). 
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coreferences.id: 1.0alpha7.train.615.coref1
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coreferences.id: 1.0alpha7.train.615.coref2
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