X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 8
Temperature 293.0
Details 25% PEG 400, 0.1M Sodium Citrate, 0.1M Tris, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 113.59 α = 90
b = 114.63 β = 90
c = 92.96 γ = 90
Symmetry
Space Group C 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 70
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2010-05-17
Diffraction Radiation
Monochromator Protocol
Si (111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.94 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
3 92.9 95.2 -- -- -- -- 11909 11333 2.0 1.0 78.37

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 3.0 60.93 -- 0.0 11909 11333 575 -- -- 0.1949 0.1917 0.2569 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 3.0 3.29 -- 133 2707 0.1996 0.2801 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 85.03
Anisotropic B[1][1] 4.1053
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -17.3415
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 13.2362
RMS Deviations
Key Refinement Restraint Deviation
t_angle_deg 1.12
t_other_torsion 21.25
t_bond_d 0.01
t_omega_torsion 2.56
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.419
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3386
Nucleic Acid Atoms 0
Heterogen Atoms 184
Solvent Atoms 9

Software

Software
Software Name Purpose
DNA data collection
PHASER phasing
BUSTER refinement version: 2.9.2
MOSFLM data reduction
SCALA data scaling