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Class: Mainly Beta (13760)
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Architecture: Sandwich (5577)
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Topology: Immunoglobulin-like (3897)
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Homologous Superfamily: [code=2.60.40.320, no name defined] (46)
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Escherichia coli. Organism_taxid: 562. (1)
1DP0A:625-730; B:625-730; C:625-730; D:625-730; A:219-333; B:219-333; C:219-333; D:219-333E. COLI BETA-GALACTOSIDASE AT 1.7 ANGSTROM