X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 100 MM HEPES PH 6.5-7.5, 17.5% PEGMME2000, 3% GLYCEROL, PROTEIN CONCENTRATION = 7.5 - 15 MG/ML

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.97 α = 90
b = 72.73 β = 90
c = 84.93 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH MIRROR 2000-06-15
Diffraction Radiation
Monochromator Protocol
SILICON 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

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
2.3 30 99.8 0.099 -- -- 8.0 -- 14829 -- -- 17.4
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)
2.3 2.4 99.8 0.319 -- 6.3 9.4 --

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 2.3 30.0 -- 0.0 -- 14842 854 99.8 -- 0.223 0.223 0.264 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 2.3 2.44 -- 134 2301 0.24 0.282 0.024 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 30.4
Anisotropic B[1][1] -1.13
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.82
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.95
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.2
c_scangle_it 2.49
c_improper_angle_d 0.84
c_angle_deg 1.3
c_scbond_it 21.66
c_mcangle_it 2.08
c_bond_d 6.0E-4
c_dihedral_angle_d 23.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.18
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.22
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2707
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 114

Software

Software
Software Name Purpose
CNS refinement version: 1.0
XDS data reduction
XDS data scaling
CNS phasing