X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 25% PEG MME 2000, 0.1M NA CACODYLATE, PH6.5, 0.2M MGCL2., pH 6.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.45 α = 90
b = 90.1 β = 90
c = 97.84 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2003-03-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 -- ESRF ID29

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2 30 97.6 0.049 -- -- 4.9 -- 20980 -- -- --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.0 2.1 78.7 0.093 -- 12.6 4.4 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.98 65.94 -- -- -- 19411 1054 98.1 -- 0.174 0.172 0.204 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.98 2.03 -- 64 1159 0.192 0.295 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 30.64
Anisotropic B[1][1] -1.63
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.93
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.7
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 3.517
r_mcbond_it 1.138
r_angle_refined_deg 1.742
r_chiral_restr 0.132
r_symmetry_vdw_refined 0.221
r_xyhbond_nbd_refined 0.19
r_bond_refined_d 0.021
r_nbd_refined 0.223
r_mcangle_it 2.157
r_gen_planes_refined 0.008
r_symmetry_hbond_refined 0.213
r_dihedral_angle_1_deg 6.678
r_scangle_it 6.044
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1627
Nucleic Acid Atoms 0
Heterogen Atoms 23
Solvent Atoms 253

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.19
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing