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 -- 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_scangle_it 6.044
r_scbond_it 3.517
r_mcangle_it 2.157
r_mcbond_it 1.138
r_nbd_refined 0.223
r_gen_planes_refined 0.008
r_chiral_restr 0.132
r_dihedral_angle_1_deg 6.678
r_angle_refined_deg 1.742
r_bond_refined_d 0.021
r_xyhbond_nbd_refined 0.19
r_symmetry_vdw_refined 0.221
r_symmetry_hbond_refined 0.213
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.1.19 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.19 refinement
MOLREP model building