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Class: Mainly Beta (13760)
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Architecture: Single Sheet (341)
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Topology: N-terminal domain of TfIIb (166)
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Homologous Superfamily: [code=2.20.25.10, no name defined] (79)
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Brewer's yeast,lager beer yeast,yeast (Saccharomyces cerevisiae) (1)
3CQZI:2-46; I:47-122CRYSTAL STRUCTURE OF 10 SUBUNIT RNA POLYMERASE II IN COMPLEX WITH THE INHIBITOR ALPHA-AMANITIN