X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 296.0
Details PEG 4000, Magnesium Chloride, Tris, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.04 α = 90
b = 96.57 β = 90.54
c = 80.91 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 2000-05-21
Diffraction Radiation
Monochromator Protocol
Curved Crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 1.0000 SSRL BL9-1

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
2.16 29.1 97.4 -- 0.069 -- -- 63373 48993 0.0 -3.0 12.8
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)
2.15 2.23 93.1 -- 0.293 -- -- --

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 2.16 29.1 -- 0.0 54754 47767 4350 94.7 -- -- 0.208 0.247 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 2.16 2.3 -- 1142 13212 0.245 0.285 0.008 86.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 26.4
Anisotropic B[1][1] -3.94
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.14
Anisotropic B[2][2] 10.07
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.13
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.7
c_bond_d 0.01
c_scbond_it 1.85
c_scangle_it 2.58
c_improper_angle_d 1.98
c_dihedral_angle_d 23.5
c_mcbond_it 1.23
c_mcangle_it 1.97
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7441
Nucleic Acid Atoms 0
Heterogen Atoms 100
Solvent Atoms 405

Software

Software
Software Name Purpose
MAR345 data collection
SCALEPACK data scaling
CNS refinement
CNS phasing