X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 10% PEG20K, PH6.0 MES, 5% MPD, pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 224.94 α = 90
b = 117.45 β = 109.33
c = 111.61 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
-- -- -- 2000-06-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 32-ID -- APS 32-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 20 95.0 0.092 -- -- 3.1 -- 123880 -- -- --
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 2.3 82.0 0.213 -- 10.0 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
MOLECULAR REPLACEMENT 2.2 20.0 -- 0.0 -- 123880 -- 95.0 -- 0.209 0.209 0.245 --
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 2.21 -- 152 1948 0.278 0.301 0.024 77.0
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 8.25
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.84
Anisotropic B[2][2] -4.99
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.26
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_improper_angle_d 0.85
c_dihedral_angle_d 23.2
c_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.29
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 17401
Nucleic Acid Atoms 0
Heterogen Atoms 316
Solvent Atoms 572

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
COMO phasing