3MZY

The Crystal Structure of the RNA polymerase sigma-H factor from Fusobacterium nucleatum to 2.5A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.527720% PEG 1000, 0.1M Tris pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.9558.29

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 71.761α = 90
b = 71.761β = 90
c = 153.623γ = 120
Symmetry
Space GroupP 65 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152009-12-21SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 19-ID0.9794APS19-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
12.55099.90.083914.48730
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.52.591000.59914.7836

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONTHROUGHOUT2.531.07867541299.790.2360.2340.269RANDOM62.632
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]
-0.04-0.02-0.040.05
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.403
r_dihedral_angle_4_deg21.128
r_dihedral_angle_3_deg19.983
r_dihedral_angle_1_deg4.628
r_scangle_it2.1
r_scbond_it1.314
r_angle_refined_deg1.138
r_mcangle_it0.722
r_mcbond_it0.374
r_chiral_restr0.086
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.403
r_dihedral_angle_4_deg21.128
r_dihedral_angle_3_deg19.983
r_dihedral_angle_1_deg4.628
r_scangle_it2.1
r_scbond_it1.314
r_angle_refined_deg1.138
r_mcangle_it0.722
r_mcbond_it0.374
r_chiral_restr0.086
r_bond_refined_d0.011
r_gen_planes_refined0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms971
Nucleic Acid Atoms
Solvent Atoms12
Heterogen Atoms

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
SBC-Collectdata collection
HKL-3000data reduction
HKL-3000data scaling
SHELXphasing
MLPHAREphasing
DMphasing
ARP/wARPmodel building
Cootmodel building