X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 10.5% PEG 6000 10 MM POTASSIUM PHOSPHATE PH 7.0 100 MM POTASSIUM CHLORIDE 3 MM SODIUM DITHIONITE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 97.2 α = 90
b = 99.3 β = 90
c = 65.9 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE -- 1995-08-01
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.14 25 98.1 0.079 0.079 -- 7.6 -- 35230 -- 0.0 --
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)
2.14 2.3 91.0 0.173 0.173 2.25 3.5 --

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
ISOMORPHOUS WITH DEOXYHEMOGLOBIN A 2.14 8.0 -- 2.0 -- 33920 3082 98.0 -- 0.179 0.172 0.239 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.8
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 31.7
p_staggered_tor 19.7
p_planar_tor 2.3
p_xyhbond_nbd 0.176
p_multtor_nbd 0.173
p_bond_d 0.01
p_angle_d 0.024
p_planar_d 0.038
p_mcbond_it 2.2
p_mcangle_it 3.1
p_scbond_it 7.4
p_scangle_it 10.4
p_plane_restr 0.011
p_chiral_restr 0.132
p_singtor_nbd 0.162
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4386
Nucleic Acid Atoms 0
Heterogen Atoms 172
Solvent Atoms 193

Software

Computing
Computing Package Purpose
SDMS Data Reduction (intensity integration)
SDMS Data Reduction (data scaling)
PROLSQ Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
PROLSQ model building