X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Details 2-2.4 M NA/K PHOSPHATE (PH=6.2) 0.2 M LICL, pH 6.20

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.36 α = 90
b = 73.87 β = 90
c = 136.12 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV MIRRORES 2001-02-15
Diffraction Radiation
Monochromator Protocol
NI SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
2.7 25 95.1 0.061 -- -- 2.7 -- 20269 -- -- 61.3
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)
2.7 2.8 89.3 0.362 -- 1.8 2.2 --

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
OTHER 2.7 24.45 -- 0.0 -- 20269 1385 95.5 -- 0.237 0.237 0.27 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 2.7 2.87 -- 226 2238 0.352 0.385 0.026 91.9
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 55.9
Anisotropic B[1][1] 5.15
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.21
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.36
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.03
c_angle_deg 1.8
c_scangle_it 3.6
c_bond_d 0.01
c_scbond_it 2.3
c_mcangle_it 2.8
c_mcbond_it 1.6
c_dihedral_angle_d 24.8
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.38
Luzzati Sigma A (Observed) 0.54
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.43
Luzzati Sigma A (R-Free Set) 0.61
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4713
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 31

Software

Software
Software Name Purpose
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling
CNS phasing