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Class: Mainly Alpha (13335)
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Architecture: Up-down Bundle (3216)
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Topology: Single alpha-helices involved in coiled-coils or other helix-helix interfaces (552)
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Homologous Superfamily: Single helix bin (1)
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Fruit fly (Drosophila melanogaster) (1)
1WA9B:542-575CRYSTAL STRUCTURE OF THE PAS REPEAT REGION OF THE DROSOPHILA CLOCK PROTEIN PERIOD