X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 20 % PEG 4K, 0.05 M NA/K TARTRATE, 0.1 M NACL, 0.1 M HEPES PH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 33.39 α = 90
b = 37.97 β = 90.08
c = 85.88 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
CCD ADSC QUANTUM 315 -- 2009-03-07
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON DIAMOND BEAMLINE I02 -- Diamond I02

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
2.4 50 82.6 0.08 -- -- 3.4 -- 8834 -- 0.0 26.4
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)
2.4 2.49 64.7 0.17 -- 5.4 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 2.47 33.39 -- 0.0 -- 6548 353 82.3 -- 0.237 0.237 0.249 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 2.47 2.62 -- 51 1000 0.282 0.306 0.043 79.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.3
Anisotropic B[1][1] 12.76
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.02
Anisotropic B[2][2] -5.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.73
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.32
c_angle_deg 1.4
c_bond_d 0.008
c_dihedral_angle_d 26.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.28
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.36
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1898
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 43

Software

Software
Software Name Purpose
CNS refinement version: 1.2
HKL-2000 data reduction
HKL-2000 data scaling
PHASER phasing