X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Temperature 293.0
Details ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 5.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 225.99 α = 90
b = 225.99 β = 90
c = 97.97 γ = 120
Symmetry
Space Group P 6 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2004-03-12
Diffraction Radiation
Monochromator Protocol
SI (220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID -- APS 22-ID

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
3.3 20 86.6 0.082 0.082 -- 9.6 -- 19372 -- -3.0 --
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)
3.3 3.42 20.9 -- 0.505 1.3 3.1 --

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 3.3 20.0 -- 0.0 22571 19364 1920 86.2 -- 0.319 0.319 0.349 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 3.3 3.51 -- 110 927 0.415 0.447 0.043 28.1
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 126.2
Anisotropic B[1][1] 11.12
Anisotropic B[1][2] 19.38
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 11.12
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -22.25
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.64
c_bond_d 0.004
c_angle_deg 0.98
c_dihedral_angle_d 26.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.61
Luzzati Sigma A (Observed) 0.83
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.68
Luzzati Sigma A (R-Free Set) 0.97
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7396
Nucleic Acid Atoms 0
Heterogen Atoms 121
Solvent Atoms 0

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.1 Structure Refinement
Software
Software Name Purpose
CNS version: 1.1 refinement
CNS model building
SCALEPACK data reduction
HKL-2000 data collection