X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 293.0
Details 20-24% PEG 3350, 0.2 M Ammonium Acetate, 0.1 M Tris-HCl, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 113.75 α = 90
b = 54.85 β = 90
c = 57.69 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-06-01
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-C 1.000 APS 14-BM-C

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
2.15 100 97.1 0.068 -- -- 7.06 20308 19724 0.0 2.0 21.4
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)
2.15 2.23 99.9 0.353 -- 5.6 -- 1992

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 2.15 40.5 -- 0.0 20283 19724 1945 97.0 0.254 0.228 0.228 0.284 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 2.15 2.28 2780 322 2780 0.283 0.342 0.019 93.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 34.4
Anisotropic B[1][1] -12.52
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.29
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 8.23
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.71
c_dihedral_angle_d 23.8
c_angle_deg 1.6
c_bond_d 0.012
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2761
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 144

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement