X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 20% PEG6000, 20MM MES BUFFER PH6.0, 10MM CDCL2., pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.49 α = 90
b = 74.31 β = 103.82
c = 90.71 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 IMAGE PLATE MIRRORS 1996-02-15
Diffraction Radiation
Monochromator Protocol
-- 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
1.9 47.1 90.5 0.037 -- -- 2.3 -- 44400 -- -- 11.1
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)
1.9 1.97 64.3 0.094 -- 5.8 1.5 --

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
MOLECULAR REPLACEMENT 1.9 20.0 -- 0.0 -- 44348 1321 90.1 -- 0.179 0.179 0.208 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 1.9 2.02 -- 156 5276 0.198 0.219 0.018 66.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 11.9
Anisotropic B[1][1] -0.43
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.02
Anisotropic B[2][2] -0.61
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.04
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 0.52
c_dihedral_angle_d 22.7
c_scbond_it 0.87
c_mcangle_it 0.86
c_improper_angle_d 0.77
c_scangle_it 1.33
c_bond_d 0.005
c_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.1
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5478
Nucleic Acid Atoms 0
Heterogen Atoms 318
Solvent Atoms 732

Software

Software
Software Name Purpose
CNS refinement version: 0.5
DENZO data reduction
SCALEPACK data scaling
CNS phasing