X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 290.0
Details PEG 4000, LiCl 1M, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.1 α = 90
b = 85.2 β = 90
c = 111.7 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-04-25
Diffraction Radiation
Monochromator Protocol
diamond SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 0.940 ESRF ID14-3

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
2.35 25 99.8 0.059 0.059 -- 5.2 19351 19351 0.0 0.0 46.3
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)
2.35 2.4 98.4 0.34 0.34 4.1 4.1 --

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
MIR 2.36 18.0 -- 0.0 18766 18766 968 99.8 0.218 0.218 0.214 0.259 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 2.36 2.4 -- 45 841 0.3178 0.38 -- 98.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model yes
Mean Isotropic B 39.2
Anisotropic B[1][1] 7.696
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 6.953
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -14.649
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.433
c_bond_d 0.006
c_scbond_it 2.24
c_mcangle_it 2.355
c_scangle_it 3.414
c_angle_deg 1.092
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2909
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 214

Software

Software
Software Name Purpose
MLPHARE phasing
CNS refinement
DENZO data reduction
SCALEPACK data scaling