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Class: Alpha Beta (26913)
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Architecture: 2-Layer Sandwich (8480)
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Topology: Beta-Lactamase (202)
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Homologous Superfamily: [code=3.30.450.20, no name defined] (117)
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Fruit fly (Drosophila melanogaster) (2)
1WA9B:235-373; A:237-373; A:374-541; B:374-541CRYSTAL STRUCTURE OF THE PAS REPEAT REGION OF THE DROSOPHILA CLOCK PROTEIN PERIOD
3GECA:374-538CRYSTAL STRUCTURE OF A TANDEM PAS DOMAIN FRAGMENT OF DROSOPHILA PERIOD