X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details pH 8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.68 α = 90
b = 48.19 β = 106.58
c = 61.07 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
CCD PRINCETON 2K -- 1997-10
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID09 -- ESRF ID09

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
1.6 25 99.0 -- 0.078 -- 3.2 -- 86120 -- -- --
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)
1.6 1.66 92.4 -- 0.43 2.8 2.6 --

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
DIFFERENCE FOURIER 1.6 20.0 -- 0.0 -- 29418 1505 99.0 -- -- 0.184 0.21 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.6
RMS Deviations
Key Refinement Restraint Deviation
p_chiral_restr 0.081
p_bond_d 0.006
p_singtor_nbd 0.172
p_multtor_nbd 0.258
p_plane_restr 0.0165
p_planar_d 0.021
p_mcbond_it 0.862
p_scangle_it 1.949
p_planar_tor 3.1
p_scbond_it 1.227
p_staggered_tor 15.9
p_angle_d 0.02
p_mcangle_it 1.335
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1692
Nucleic Acid Atoms 0
Heterogen Atoms 54
Solvent Atoms 216

Software

Software
Software Name Purpose
CCP4 model building
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing