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1SMY

Structural basis for transcription regulation by alarmone ppGpp

Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsSPRING-8 BEAMLINE BL45PX
Synchrotron siteSPring-8
BeamlineBL45PX
Temperature [K]100
Detector technologyIMAGE PLATE
Collection date2001-10-15
DetectorRIGAKU RAXIS
Spacegroup nameP 32
Unit cell lengths236.350, 236.350, 249.040
Unit cell angles90.00, 90.00, 120.00
Refinement procedure
Resolution40.000 - 2.700
R-factor0.266
Rwork0.186
R-free0.26600
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)1iw7
RMSD bond length0.013
RMSD bond angle2.080
Data reduction softwareDENZO
Data scaling softwareSCALEPACK
Phasing softwareAMoRE
Refinement softwareCNS (1.1)
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]40.0002.900
High resolution limit [Å]2.7002.700
Rmerge0.1200.430
Number of reflections409145
<I/σ(I)>3.1
Completeness [%]95.892.4
Redundancy2.8
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, SITTING DROP5.8293MG FORMATE, PEG400, SPERMIDINE, TRIS HCL, pH 5.80, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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