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Class: All alpha proteins (14657)
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Fold: DNA/RNA-binding 3-helical bundle (1299)
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Superfamily: Sigma3 and sigma4 domains of RNA polymerase sigma factors (41)
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Family: Sigma3 domain (12)
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Protein domain: Sigma factor SigA (1)
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Thermus aquaticus [TaxId: 271] (1)
1KU2A:273-332; B:273-332CRYSTAL STRUCTURE OF THERMUS AQUATICUS RNA POLYMERASE SIGMA SUBUNIT FRAGMENT CONTAINING REGIONS 1.2 TO 3.1
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Protein domain: Sigma factor sigma-28 (FliA) (2)
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Aquifex aeolicus [TaxId: 63363] (2)
1RP3A:87-163; C:87-163; E:87-163; G:87-156COCRYSTAL STRUCTURE OF THE FLAGELLAR SIGMA/ANTI-SIGMA COMPLEX, SIGMA-28/FLGM
1SC5A:87-163SIGMA-28(FLIA)/FLGM COMPLEX
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Protein domain: Sigma70 (9)
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Thermus thermophilus [TaxId: 274] (9)
1IW7F:258-318; P:258-318CRYSTAL STRUCTURE OF THE RNA POLYMERASE HOLOENZYME FROM THERMUS THERMOPHILUS AT 2.6A RESOLUTION
1SMYF:258-318; P:258-318STRUCTURAL BASIS FOR TRANSCRIPTION REGULATION BY ALARMONE PPGPP
2A68F:258-318; P:258-318CRYSTAL STRUCTURE OF THE T. THERMOPHILUS RNA POLYMERASE HOLOENZYME IN COMPLEX WITH ANTIBIOTIC RIFABUTIN
2A69F:258-318; P:258-318CRYSTAL STRUCTURE OF THE T. THERMOPHILUS RNA POLYMERASE HOLOENZYME IN COMPLEX WITH ANTIBIOTIC RIFAPENTIN
2A6EF:258-318; P:258-318CRYSTAL STRUCTURE OF THE T. THERMOPHILUS RNA POLYMERASE HOLOENZYME
2A6HF:258-318; P:258-318CRYSTAL STRUCTURE OF THE T. THERMOPHILUS RNA POLYMERASE HOLOENZYME IN COMPLEX WITH ANTIBIOTIC STERPTOLYDIGIN
2BE5F:258-318; P:258-318CRYSTAL STRUCTURE OF THE T. THERMOPHILUS RNA POLYMERASE HOLOENZYME IN COMPLEX WITH INHIBITOR TAGETITOXIN
2CW0F:258-318; P:258-318CRYSTAL STRUCTURE OF THERMUS THERMOPHILUS RNA POLYMERASE HOLOENZYME AT 3.3 ANGSTROMS RESOLUTION
3EQLF:258-318; P:258-318CRYSTAL STRUCTURE OF THE T. THERMOPHILUS RNA POLYMERASE HOLOENZYME IN COMPLEX WITH ANTIBIOTIC MYXOPYRONIN