X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CQXPDB ENTRY 1CQX

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
18.52771.5M ammonium sulphate, 25% (w/v) glycerol and 0.1M Tris, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.0960.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 87.22α = 90
b = 87.22β = 90
c = 291.26γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2008-07-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X10SASLSX10SA

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
12.430950.08217.73.9743225
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)
2.42.586.30.463.43.8

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1CQX2.43042490424902263990.2120.210.248RANDOM66.39
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]
-0.36-0.360.73
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.265
r_dihedral_angle_3_deg18.763
r_dihedral_angle_4_deg16.39
r_dihedral_angle_1_deg6.236
r_angle_refined_deg1.58
r_chiral_restr0.105
r_bond_refined_d0.013
r_gen_planes_refined0.008
r_bond_other_d
r_angle_other_deg
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.265
r_dihedral_angle_3_deg18.763
r_dihedral_angle_4_deg16.39
r_dihedral_angle_1_deg6.236
r_angle_refined_deg1.58
r_chiral_restr0.105
r_bond_refined_d0.013
r_gen_planes_refined0.008
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_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6312
Nucleic Acid Atoms
Solvent Atoms121
Heterogen Atoms283

Software

Software
Software NamePurpose
MAR345dtbdata collection
EPMRphasing
REFMACrefinement
XDSdata reduction
XDSdata scaling