X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details 0.1 M SODIUM ACETATE (PH 4.6) 8% PEK4000

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 45.52 α = 90
b = 45.52 β = 90
c = 155.59 γ = 90
Symmetry
Space Group P 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH 1\:1 DEFOCUSED RHODIUM-COATED SILICON CARBIDE 1997-11
Diffraction Radiation
Monochromator Protocol
DOUBLE FLAT CRYSTAL FIXED-EXIT MONOCHROMATOR --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12B -- NSLS X12B

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
1.9 30 92.3 0.039 0.039 -- 4.02 -- 12622 -- -- --
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)
1.9 1.93 97.7 0.326 0.326 5.3 3.6 --

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
MIR, MAD 1.9 6.0 -- 2.0 -- 11639 2202 88.4 -- 0.205 0.205 0.289 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 1.9 1.98 -- 117 1220 0.31 0.338 -- 79.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.0
RMS Deviations
Key Refinement Restraint Deviation
x_mcangle_it 3.685
x_improper_angle_d 0.921
x_mcbond_it 2.155
x_scbond_it 3.504
x_dihedral_angle_d 30.03
x_scangle_it 5.631
x_bond_d 0.012
x_angle_deg 1.547
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 965
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 96

Software

Software
Software Name Purpose
X-PLOR model building version: 3.85
X-PLOR refinement version: 3.85
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing version: 3.85