X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 293.0
Details PEG 4000, Glycrol, Tris-HCl , pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 293 K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 117.78 α = 90
b = 117.78 β = 90
c = 117.78 γ = 90
Symmetry
Space Group I 2 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH Bent mirror 2002-12-18
Diffraction Radiation
Monochromator Protocol
Triangular monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 0.81 EMBL/DESY, Hamburg X11

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
2.7 20 88.2 0.036 0.036 -- 6.0 7610 6714 1.0 1.0 --
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)
2.7 2.8 91.0 0.246 0.206 91.0 5.0 679

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 2.7 20.0 2.0 4.0 7610 5876 639 77.2 0.3351 0.2506 0.2349 0.3217 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 2.7 2.82 454 80 -- 0.3077 0.3721 -- --
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008952
c_angle_d 1.40845
c_improper_angle_d 1.09103
c_dihedral_angle_d 23.0796
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.041
Luzzati Sigma A (Observed) 0.56
Luzzati ESD (R-Free Set) 0.045
Luzzati Sigma A (R-Free Set) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2082
Nucleic Acid Atoms 0
Heterogen Atoms 11
Solvent Atoms 34

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CNS refinement
CNS phasing