X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.5
Temperature 291.0
Details PEG4000, 0.1M MES, pH 6.5, VAPOR DIFFUSION, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 94.17 α = 90
b = 61.92 β = 123.33
c = 57.14 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 2006-05-07
Diffraction Radiation
Monochromator Protocol
copper K alpha SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.54 -- --

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
2.8 30 93.2 -- -- -- -- 6843 6381 0.0 0.0 52.9

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 2.8 19.97 -- 0.0 6843 6381 360 93.2 -- 0.223 0.223 0.289 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 2.8 2.97 -- 50 903 0.357 0.452 0.064 84.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 50.4
Anisotropic B[1][1] 0.35
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 3.62
Anisotropic B[2][2] 6.72
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.07
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 5.66
c_scbond_it 4.11
c_mcangle_it 4.17
c_mcbond_it 2.44
c_improper_angle_d 0.84
c_bond_d 0.007
c_angle_deg 1.4
c_dihedral_angle_d 25.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.39
Luzzati Sigma A (Observed) 0.53
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.49
Luzzati Sigma A (R-Free Set) 0.66
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1905
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 76

Software

Computing
Computing Package Purpose
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement