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Class: Mainly Beta (13760)
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Architecture: Distorted Sandwich (506)
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Topology: Topoisomerase I; domain 3 (14)
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Homologous Superfamily: Topoisomerase I, domain 3 (14)
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Escherichia coli. Organism_taxid: 562. (2)
1ECLA:213-279,A:405-473AMINO TERMINAL 67KDA DOMAIN OF ESCHERICHIA COLI DNA TOPOISOMERASE I (RESIDUES 2-590 OF MATURE PROTEIN) CLONING ARTIFACT ADDS TWO RESIDUES TO THE AMINO-TERMINUS WHICH WERE NOT OBSERVED IN THE EXPERIMENTAL ELECTRON DENSITY (GLY-2, SER-1).
1MW9X:213-279,X:405-473CRYSTAL STRUCTURE OF H365R MUTANT OF 67 KDA N-TERMINAL FRAGMENT OF E. COLI DNA TOPOISOMERASE I