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Class: Mainly Alpha (13335)
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Architecture: Orthogonal Bundle (10391)
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Topology: RNA Polymerase Primary Sigma Factor (1)
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Homologous Superfamily: RNA Polymerase Primary Sigma Factor (1)
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Escherichia coli k12. Organism_taxid: 83333. Strain: k12. Cell_line: bl21. (1)
1SIGA:113-446CRYSTAL STRUCTURE OF A SIGMA70 SUBUNIT FRAGMENT FROM ESCHERICHIA COLI RNA POLYMERASE