4L8H

Bacteriophage Qbeta coat protein in complex with RNA operator hairpin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.52930.1 M sodium acetate, 0.2 M zinc acetate, 9% PEG 3000, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293.0K
Crystal Properties
Matthews coefficientSolvent content
3.6366.13

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 75.84α = 90
b = 75.84β = 90
c = 303.49γ = 120
Symmetry
Space GroupP 65 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDmultilayer mirrors2013-02-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I911-31.0000MAX III911-3

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
12.440.06499.90.099.73.4213422134234.937
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)
12.42.531000.6142.23.5

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-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB entry 1QBE2.437.632126921269108999.850.254530.254530.252670.28839RANDOM34.194
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]
-0.02-0.01-0.020.03
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.344
r_dihedral_angle_4_deg15.915
r_dihedral_angle_3_deg14.496
r_dihedral_angle_1_deg6.843
r_scangle_it3.851
r_scbond_it2.404
r_mcangle_it1.908
r_angle_refined_deg1.67
r_mcbond_it1.02
r_chiral_restr0.094
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.344
r_dihedral_angle_4_deg15.915
r_dihedral_angle_3_deg14.496
r_dihedral_angle_1_deg6.843
r_scangle_it3.851
r_scbond_it2.404
r_mcangle_it1.908
r_angle_refined_deg1.67
r_mcbond_it1.02
r_chiral_restr0.094
r_bond_refined_d0.016
r_gen_planes_refined0.007
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1855
Nucleic Acid Atoms423
Solvent Atoms90
Heterogen Atoms6

Software

Software
Software NamePurpose
MAR345data collection
MOLREPphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling