X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 295.0
Details MES, PEG 8000, CALCIUM CHLORIDE, DTT(DITHIOTHREITOL), GLUTATHIONE(REDUCED), pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.75 α = 90
b = 89.33 β = 97.88
c = 68.79 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 105
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH Mirror 2001-04-05
Diffraction Radiation
Monochromator Protocol
Nickel SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.54179 -- --

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
2.03 15 97.5 0.086 -- -- 2.5 30071 29306 0.0 0.0 16.5
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)
2.03 2.1 84.2 0.377 -- 2.2 -- --

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 2.03 15.0 -- 0.0 29306 29306 1488 97.5 0.2 0.177 0.177 0.218 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 2.03 2.16 4393 230 4163 0.265 0.313 0.021 87.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 22.9
Anisotropic B[1][1] 6.5
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.78
Anisotropic B[2][2] -4.83
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.67
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 1.74
c_improper_angle_d 0.91
c_bond_d 0.011
c_scbond_it 2.07
c_dihedral_angle_d 21.3
c_scangle_it 2.74
c_angle_deg 1.5
c_mcbond_it 1.17
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.27
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3271
Nucleic Acid Atoms 0
Heterogen Atoms 65
Solvent Atoms 418

Software

Software
Software Name Purpose
CNS refinement version: 1.1
MAR345 data collection
SCALEPACK data scaling
CNS phasing