X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 293.0
Details PEG 4000, HEPES, ISOPROPANOL. pH 7.5, VAPOR DIFFUSION, HANGING DROP at 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 136.9 α = 90
b = 73.79 β = 117.74
c = 79.4 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1997-08-02
Diffraction Radiation
Monochromator Protocol
Si SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 5ID-B 1.005 APS 5ID-B

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
3.2 40 99.5 0.097 -- -- 4.1 11640 11640 0.0 0.0 70.8
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)
3.2 3.31 100.0 0.436 -- -- 4.2 --

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 3.2 22.65 0.0 0.0 11640 11640 620 99.5 -- 0.245 0.245 0.278 SHELLS
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 3.2 3.4 1939 93 1846 0.305 0.328 0.034 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 67.5
Anisotropic B[1][1] 12.21
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 19.25
Anisotropic B[2][2] -3.5
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -8.71
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 17.61
c_scbond_it 12.35
c_mcangle_it 13.32
c_mcbond_it 8.93
c_improper_angle_d 0.87
c_dihedral_angle_d 24.7
c_angle_deg 1.3
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.39
Luzzati Sigma A (Observed) 0.5
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.47
Luzzati Sigma A (R-Free Set) 0.49
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2843
Nucleic Acid Atoms 0
Heterogen Atoms 288
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
AMORE model building
SCALEPACK data reduction
DENZO data collection