X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 295.0
Details VAPOR DIFFUSION IN MICROSEEDED HANGING DROPS. 20-26% PEG400, 0.05 M HEPES SODIUM SALT, PH=7.5, 0.1 M MAGNESIUM CHLORIDE, 0.002 M AMP-CPP., VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 52.6 α = 90
b = 85.41 β = 110.88
c = 60.25 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MACSCIENCE DIP100 mirrors 2000-06-27
Diffraction Radiation
Monochromator Protocol
Ni filter SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.5418 -- --

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
1.9 30 98.8 0.048 -- -- 2.9 112884 38796 0.0 -10.0 10.8
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)
1.9 1.97 98.4 0.154 -- 7.6 2.5 --

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 1.9 29.83 1.36 2.0 38796 37901 1900 96.4 0.175 0.167 0.167 0.205 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 1.9 1.97 2102 202 3442 0.175 0.244 0.017 92.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 15.4
Anisotropic B[1][1] -0.72
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.46
Anisotropic B[2][2] -0.32
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.05
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_mcbond_it 1.17
c_angle_deg 1.1
c_scangle_it 3.0
c_dihedral_angle_d 20.1
c_mcangle_it 1.7
c_scbond_it 2.03
c_improper_angle_d 0.71
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.06
Luzzati Resolution Cutoff (Low) 30.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4072
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 590

Software

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