X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 30% PEG 5000MME, 0.2M SODIUM ACETATE 0.1M SODIUM CACODYLATE PH 6.5, 2MM DTT

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.13 α = 90
b = 89.44 β = 90
c = 94.04 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2002-01-28
Diffraction Radiation
Monochromator Protocol
DIAMOND (111), GE(220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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 99.9 0.05 -- -- 4.9 -- 41492 -- 0.0 21.1
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 2.07 100.0 0.44 -- 3.7 4.9 --

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 2.0 29.58 -- 0.0 -- 41144 2037 -- -- -- 0.214 0.249 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 2.0 2.13 -- -- -- 0.245 0.288 0.016 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 39.0
Anisotropic B[1][1] 4.48
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.27
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.79
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.55
c_scbond_it 2.36
c_bond_d 0.006
c_scangle_it 3.64
c_dihedral_angle_d 21.0
c_improper_angle_d 0.78
c_mcangle_it 2.42
c_angle_deg 1.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.15
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.29
Luzzati Sigma A (R-Free Set) 0.17
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4365
Nucleic Acid Atoms 0
Heterogen Atoms 67
Solvent Atoms 194

Software

Software
Software Name Purpose
CNX refinement version: 2002
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing