X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 0.1 M TRIS/HCL PH 8.5, 2.0 M AMMONIUM SULPHATE, 16.6 MM ATP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 123.01 α = 90
b = 123.01 β = 90
c = 47.62 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 MIRRORS 2002-03-04
Diffraction Radiation
Monochromator Protocol
THIN DIAMOND CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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 25 98.0 0.091 -- -- 2.8 -- 27643 -- -- 12.6
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)
2.0 2.07 93.5 0.454 -- 2.0 2.5 --

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 2.0 24.44 -- 0.0 -- 27642 579 97.9 -- 0.196 0.196 0.223 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 2.0 2.13 -- 84 4355 0.263 0.276 0.03 95.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 27.9
Anisotropic B[1][1] 2.76
Anisotropic B[1][2] 0.39
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.76
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -5.52
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.35
c_bond_d 0.005
c_improper_angle_d 0.82
c_scbond_it 2.23
c_angle_deg 1.3
c_mcbond_it 1.5
c_dihedral_angle_d 21.6
c_scangle_it 3.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.22
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2295
Nucleic Acid Atoms 0
Heterogen Atoms 104
Solvent Atoms 200

Software

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