1JE8

Two-Component response regulator NarL/DNA Complex: DNA Bending Found in a High Affinity Site


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5298ammonium sulfate, TRIS, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties
Matthews coefficientSolvent content
2.6552.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 76.257α = 90
b = 52.741β = 90
c = 83.863γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray105CCDADSC QUANTUM 4Collimating mirror optics, double slit monochromator2000-08-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X8C1.10002NSLSX8C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.13100940.04819.12.96933369333-321.5
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.132.1873.30.1945.22.73610

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTDNA-Binding Domain of 1RNL bound to DNA2.128.973607436074179796.20.2280.273random34.6
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-8.32-10.2418.56
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d17.6
c_scangle_it2.564
c_mcangle_it1.982
c_scbond_it1.82
c_mcbond_it1.276
c_angle_deg1.058
c_improper_angle_d1.04
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2201
Nucleic Acid Atoms1628
Solvent Atoms330
Heterogen Atoms40

Software

Software
Software NamePurpose
DENZOdata reduction
TRUNCATEdata reduction
GLRFphasing
CNSrefinement
CCP4data scaling