X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 2.3 M AMMONIUM SULFATE 0.3 M AMMONIUM PHOSPHATE PH 6.5 10 MM FERROUS CITRATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.4 α = 90
b = 83.6 β = 99.3
c = 53.8 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE -- 1992-10-02
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
1.8 25 96.3 0.036 0.036 -- 9.3 -- 49388 -- 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)
1.8 1.94 90.8 0.182 0.182 3.45 5.5 --

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. 1.8 8.0 -- 2.0 44641 44030 4411 96.3 -- -- 0.169 0.223 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.2
RMS Deviations
Key Refinement Restraint Deviation
p_planar_d 0.047
p_plane_restr 0.012
p_scangle_it 10.8
p_chiral_restr 0.135
p_xyhbond_nbd 0.158
p_mcangle_it 2.8
p_multtor_nbd 0.158
p_planar_tor 2.7
p_transverse_tor 32.7
p_singtor_nbd 0.17
p_angle_d 0.029
p_mcbond_it 2.1
p_scbond_it 7.6
p_bond_d 0.012
p_staggered_tor 20.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4368
Nucleic Acid Atoms 0
Heterogen Atoms 172
Solvent Atoms 198

Software

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