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Conformations associated with secondary structure in human salivary proline-rich proteins A (PRPA), C (PRPC), P-D and P-E were predicted by analysis of their respective hydrophobicity profiles by computer programming. Structurally, PRPA and PRPC would present a globular head and a tail that consists of type 3 10 polyproline helices. P-D and P-E would be fibrilar molecules with helical...
A 3-dimensional model, common for the secondary structures of four β-lactamases obtained from Escherichia coli, Bacillus licheniformis, Bacillus cereus and Staphylococcus aureus, is proposed. The predictions of the structures were made by the hydrophobicity profiles method complemented by the modified Chou and Fasman's method. The model proposed presents 56% constancy and can be described as a 2-domain...
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