X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.75
Details 10MG/ML PROTEIN, 0.1M TRIS-HCL BUFFER, PH 8.75, 3.3M SODIUM FORMATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.56 α = 90
b = 84.56 β = 90
c = 116.97 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD MIRRORS 2002-02-25
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.1 -- SRS PX14.1

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 50 98.4 0.078 -- -- 12.8 -- 17139 -- -- 50.9
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 99.8 0.52 -- 3.3 -- --

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 34.94 -- 0.0 -- 14624 877 84.4 -- 0.264 0.264 0.298 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 2.07 -- 82 1450 0.482 0.504 0.056 91.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 54.4
Anisotropic B[1][1] 8.66
Anisotropic B[1][2] 6.52
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 8.66
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -17.31
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.6
c_mcbond_it 1.58
c_dihedral_angle_d 24.8
c_improper_angle_d 1.09
c_scangle_it 4.08
c_bond_d 0.009
c_scbond_it 3.05
c_mcangle_it 2.61
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Sigma A (Observed) 0.36
Luzzati Resolution Cutoff (Low) 35.0
Luzzati ESD (R-Free Set) 0.42
Luzzati Sigma A (R-Free Set) 0.46
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1111
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 78

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing