3Q0A

X-ray crystal structure of the transcription initiation complex of the N4 mini-vRNAP with P2 promoter: Mismatch complex


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP829520% PEG 3350, 0.1 M Tris-HCl, 0.2 M dibasic ammonium citrate, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.3247.08

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.346α = 90
b = 111.379β = 90
c = 275.495γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 2702009-11-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE F10.9718CHESSF1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.695096.16.36804211
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.692.7563.552214

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.695064526344096.780.219860.219860.216910.27595RANDOM28.212
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]
1.6-0.74-0.86
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.178
r_dihedral_angle_3_deg14.915
r_dihedral_angle_4_deg13.072
r_dihedral_angle_1_deg4.249
r_angle_refined_deg0.9
r_scangle_it0.882
r_mcangle_it0.491
r_scbond_it0.482
r_mcbond_it0.263
r_chiral_restr0.057
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg39.178
r_dihedral_angle_3_deg14.915
r_dihedral_angle_4_deg13.072
r_dihedral_angle_1_deg4.249
r_angle_refined_deg0.9
r_scangle_it0.882
r_mcangle_it0.491
r_scbond_it0.482
r_mcbond_it0.263
r_chiral_restr0.057
r_bond_refined_d0.006
r_gen_planes_refined0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms16897
Nucleic Acid Atoms824
Solvent Atoms234
Heterogen Atoms74

Software

Software
Software NamePurpose
Adxvdata processing
PHASERphasing
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling