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The superimposition of the new E-loop motif found by RNAMoitfScan (red, 1S72, chain `0', 662–669/677–684), a segment of regular A-form helix (green, 1S72, chain `0', 13–20/523–530), and a well characterized E-loop motif (blue, 1S72, chain `0', 1639–1646/1539–1546). The RMSD resulting from superimposing the new motif (red) and the model (blue) is 2.496 Å; while the RMSD for superimposing the regular A-form helix (green) and the model (blue) is 4.807 Å.
