X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.2
Temperature 293.0
Details 50 mM acetate-citrate buffer, 21% PEG MME 2000, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.31 α = 90
b = 69.94 β = 100.6
c = 61.85 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
IMAGE PLATE RIGAKU RAXIS IV++ -- 2009-05-22
Diffraction Radiation
Monochromator Protocol
Osmic confocal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU FR-E+ SUPERBRIGHT 1.54 -- --

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 25 99.9 0.078 -- -- 3.5 11474 11462 -- -- 68.3
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 2.85 99.9 0.382 -- 2.0 3.5 --

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 2.7 24.7 -- 0.0 11459 11459 643 99.9 0.249 0.249 0.245 0.308 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 2.87 935 108 1787 0.317 0.384 0.037 99.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 52.4
Anisotropic B[1][1] -4.09
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 3.5
Anisotropic B[2][2] 1.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.08
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.48
c_mcangle_it 2.57
c_bond_d 0.005
c_scangle_it 2.64
c_dihedral_angle_d 22.0
c_scbond_it 1.69
c_angle_deg 0.9
c_improper_angle_d 0.55
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.38
Luzzati Sigma A (Observed) 0.23
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.52
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3031
Nucleic Acid Atoms 0
Heterogen Atoms 42
Solvent Atoms 21

Software

Software
Software Name Purpose
CrystalClear data collection
MOLREP phasing
CNX refinement version: 2005
MOSFLM data reduction
SCALA data scaling