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5ZX2

Mycobacterium tuberculosis RNA polymerase transcription initiation complex with ECF sigma factor sigma H and 7nt RNA

Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsSSRF BEAMLINE BL17U1
Synchrotron siteSSRF
BeamlineBL17U1
Temperature [K]100
Detector technologyPIXEL
Collection date2017-12-08
DetectorDECTRIS EIGER X 16M
Wavelength(s)0.97918
Spacegroup nameP 21 21 21
Unit cell lengths129.824, 164.027, 214.792
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution36.941 - 2.800
R-factor0.2207
Rwork0.220
R-free0.25460
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)5tw1
RMSD bond length0.005
RMSD bond angle0.621
Data reduction softwareHKL-2000 (v716)
Data scaling softwareHKL-2000 (v716)
Phasing softwarePHENIX (1.10.1_2155)
Refinement softwarePHENIX (1.10.1_2155)
Data quality characteristics
 OverallInner shellOuter shell
Low resolution limit [Å]50.00050.0002.850
High resolution limit [Å]2.8007.5902.800
Rmerge0.1640.0531.430
Rmeas0.1750.0571.524
Rpim0.0590.0200.518
Total number of observations963049
Number of reflections11337559415564
<I/σ(I)>6.9
Completeness [%]99.898.199.5
Redundancy8.57.68.4
CC(1/2)0.9970.547
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, HANGING DROP2952% Tacsimate pH 5.0, 0.1 M Sodium citrate pH5.6, 16 % PEG3350

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