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_staggered_tor 15.9
p_planar_tor 3.1
p_multtor_nbd 0.258
p_bond_d 0.006
p_angle_d 0.02
p_planar_d 0.021
p_mcbond_it 0.862
p_mcangle_it 1.335
p_scbond_it 1.227
p_scangle_it 1.949
p_plane_restr 0.0165
p_chiral_restr 0.081
p_singtor_nbd 0.172
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CCP4 Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
CCP4 model building