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Class: Mainly Beta (13760)
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Architecture: Sandwich (5577)
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Topology: Jelly Rolls (1293)
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Homologous Superfamily: Galactose-binding domain-like (195)
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Escherichia coli. Organism_taxid: 562. (1)
1DP0A:13-218; B:13-218; C:13-218; D:13-218E. COLI BETA-GALACTOSIDASE AT 1.7 ANGSTROM