X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 285.0
Details PEG 8000, Glycerol, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 285K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 115.23 α = 90
b = 61.08 β = 110.51
c = 95.91 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 SBC-2 -- 2001-02-10
Diffraction Radiation
Monochromator Protocol
DOUBLE CRYSTAL MONOCHROMATOR, SAGITALLY FOCUSED SI-111, SI-220 MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.97946, 0.97955, 0.93927 APS 19-ID

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
2.2 50 85.9 0.06 0.06 -- 3.0 27598 27598 0.0 0.0 17.5
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)
2.2 2.28 59.6 0.299 -- 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
MAD 2.2 31.24 -- 2.0 22290 22290 2225 69.7 0.257 0.257 0.232 0.3 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 2.2 2.34 2013 215 1798 0.313 0.36 0.025 37.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 65.5
Anisotropic B[1][1] 28.09
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 20.11
Anisotropic B[2][2] -16.63
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -11.45
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 7.47
c_bond_d 0.007
c_mcbond_it 5.28
c_angle_deg 1.2
c_scangle_it 9.49
c_mcangle_it 7.03
c_dihedral_angle_d 21.8
c_improper_angle_d 0.83
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.39
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.45
Luzzati Sigma A (R-Free Set) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3968
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 111

Software

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