X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 293.0
Details PEG 4000, Magnesium cloride, Hepes, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 151.4 α = 90
b = 151.4 β = 90
c = 99.5 γ = 90
Symmetry
Space Group I 4

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-11-21
Diffraction Radiation
Monochromator Protocol
Si(311) monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 0.9792 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
2.5 29.79 99.7 -- 0.085 -- 5.4 38678 38678 0.0 0.0 49.6
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)
2.5 2.65 98.1 -- 0.219 4.2 3.1 --

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
FOURIER SYNTHESIS 2.5 24.88 0.0 0.0 38907 38641 1901 99.3 -- 0.194 0.194 0.236 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 2.5 2.61 4587 252 4335 0.253 0.294 0.018 94.6
X Ray Diffraction 2.61 2.75 4827 248 4579 0.222 0.265 0.017 99.9
X Ray Diffraction 2.75 2.92 4833 220 4613 0.208 0.243 0.016 99.8
X Ray Diffraction 2.92 3.15 4847 232 4615 0.206 0.267 0.018 100.0
X Ray Diffraction 3.15 3.46 4856 258 4598 0.201 0.253 0.016 99.9
X Ray Diffraction 3.46 3.96 4874 243 4631 0.204 0.249 0.016 99.9
X Ray Diffraction 3.96 4.99 4867 215 4652 0.164 0.199 0.014 99.9
X Ray Diffraction 4.99 24.88 4950 233 4717 0.179 0.205 0.013 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 47.38
Anisotropic B[1][1] -1.71
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.71
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.41
RMS Deviations
Key Refinement Restraint Deviation
c_torsion_impr_deg 0.85
c_torsion_deg 22.6
c_angle_deg 1.4
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6624
Nucleic Acid Atoms 0
Heterogen Atoms 96
Solvent Atoms 262

Software

Software
Software Name Purpose
CNS refinement version: 1.1
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
CNS phasing