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A novel structural motif and structural trees for proteins containing it

A novel structural motif and structural trees for proteins containing it,10.1134/S0006297910020161,Biochemistry-moscow,A. M. Kargatov,A. V. Efimov

A novel structural motif and structural trees for proteins containing it   (Citations: 3)
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In the present study, a novel structural motif that can be represented as a combination of the known βαβ-unit and ψ-motif is described and analyzed. In theory, there are four possible combinations of the motifs since each of them can exist in two forms, left-handed and right-handed. For this study, we have selected 140 nonhomologous proteins in which 158 combinations of such types have been found. The combination of the right-handed ψ-motif and the right-handed βαβ-unit has been shown to occur most often (87 cases out of 158) and the combination of the left-handed βαβ-unit and the left-handed ψ-motif does not occur at all. Three novel structural trees in which the commonly occurring combinations are taken as the root structures have been constructed.
Journal: Biochemistry-moscow - BIOCHEMISTRY-ENGL TR , vol. 75, no. 2, pp. 249-256, 2010
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