X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 2.1 M AMMONIUM SULPHATE, 0.1 M TRIS-HCL PH 8.5 + 0.25 UL COBALTOUS CHLORIDE HEXAHYDRATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 123.39 α = 90
b = 123.39 β = 90
c = 47.12 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2003-04-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.5 25 100.0 0.167 -- -- 4.8 -- 14395 -- -- 33.9
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)
2.5 2.59 99.9 0.688 -- 2.6 4.4 --

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 2.51 24.52 -- 0.0 -- 14384 589 99.9 -- 0.19 0.19 0.257 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 2.5 2.66 -- 102 2156 0.243 0.327 0.032 95.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 29.4
Anisotropic B[1][1] 4.7
Anisotropic B[1][2] 3.82
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.7
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.4
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.4
c_dihedral_angle_d 22.8
c_improper_angle_d 0.94
c_angle_deg 1.8
c_scangle_it 3.26
c_bond_d 0.009
c_mcbond_it 1.41
c_scbond_it 2.2
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.29
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2216
Nucleic Acid Atoms 0
Heterogen Atoms 97
Solvent Atoms 102

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing