X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Liquid Diffusion
pH 6.5
Temperature 298.0
Details Ammonium phosphate/sulfate, iron citrate, sodium dithionite, deoxyhemoglobin, pH 6.5, LIQUID DIFFUSION, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 62.47 α = 90
b = 82.25 β = 100.21
c = 53.56 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II MSC Osmic Mirrors 2002-09-27
Diffraction Radiation
Monochromator Protocol
MSC Osmic Mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.5418 -- --

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
1.85 82.25 93.9 0.073 -- -- 2.9 -- 47432 0.0 0.0 32.3
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 1.85 77.5 0.366 -- 1.57 2.0 3072

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
FOURIER SYNTHESIS 1.8 49.24 -- 0.0 47413 47413 2401 100.0 0.191 0.183 0.183 0.236 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.8 1.91 7170 362 6708 0.332 0.373 0.02 85.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 33.6
Anisotropic B[1][1] 1.43
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -3.92
Anisotropic B[2][2] 1.31
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.74
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 19.1
c_improper_angle_d 1.41
c_angle_deg 1.7
c_bond_d 0.013
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.28
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.27
Luzzati Sigma A (R-Free Set) 0.31
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4378
Nucleic Acid Atoms 0
Heterogen Atoms 182
Solvent Atoms 596

Software

Software
Software Name Purpose
CNS refinement version: 1.0
bioteX data reduction
bioteX data scaling
CNS phasing