X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 293.0
Details 30% PEG 400, 0.15 M LITHIUM SULFATE, PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K, pH 8.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.63 α = 90
b = 46.42 β = 94.26
c = 75.42 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 2003-06-17
Diffraction Radiation
Monochromator Protocol
OSMIC MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 -- -- --

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
2.4 31.7 95.0 0.087 -- -- -- -- 13217 -- 0.0 24.1
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)
2.4 2.55 93.8 0.342 -- 2.0 -- --

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 2.4 31.7 -- 0.0 -- 13216 672 95.0 -- 0.222 0.222 0.257 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 2.4 2.55 -- 104 2049 0.266 0.334 0.033 93.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 43.7
Anisotropic B[1][1] 10.67
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.51
Anisotropic B[2][2] -6.36
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.31
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.69
c_angle_deg 1.1
c_bond_d 0.006
c_dihedral_angle_d 18.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.3
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.39
Luzzati Sigma A (R-Free Set) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2238
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 37

Software

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