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_scbond_it 7.4
p_bond_d 0.01
p_planar_d 0.038
p_singtor_nbd 0.162
p_plane_restr 0.011
p_staggered_tor 19.7
p_transverse_tor 31.7
p_multtor_nbd 0.173
p_xyhbond_nbd 0.176
p_chiral_restr 0.132
p_angle_d 0.024
p_mcangle_it 3.1
p_mcbond_it 2.2
p_scangle_it 10.4
p_planar_tor 2.3
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

Software
Software Name Purpose
PROLSQ refinement
SDMS data reduction
SDMS data scaling