X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 289.0
Details 50mM Ammonium Sulfate, 30% pentaerythritol ethoxylate, 50 mM Bis/Tris, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40.5 α = 90
b = 73.88 β = 90
c = 92.25 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD SBC-2 mirrors 2003-02-05
Diffraction Radiation
Monochromator Protocol
Si 111 channel MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9795, 0.9798, 0.94656 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
1.7 50 99.4 0.069 -- -- 10.45 31444 31255 4.0 4.0 19.8
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)
1.7 1.76 97.1 0.555 -- 2.6 7.11 3002

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 1.7 28.83 -- 0.0 58916 55440 2733 94.1 -- 0.2 0.2 0.236 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 1.7 1.81 -- 362 7699 0.305 0.316 0.017 82.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 26.5
Anisotropic B[1][1] 2.92
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 3.18
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.1
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 0.94
c_improper_angle_d 0.81
c_scangle_it 2.4
c_bond_d 0.006
c_mcangle_it 1.62
c_dihedral_angle_d 22.6
c_scbond_it 1.5
c_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.19
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1963
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 292

Software

Software
Software Name Purpose
CNS refinement version: 0.9
DTCOLLECT data reduction
HKL-2000 data scaling
CNS phasing