X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 277.0
Details ammonium sulphate, Bis Tris propane, isopropanol, NaCl, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 117.75 α = 90
b = 161.96 β = 110.36
c = 131.6 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-03-27
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
2.65 30 90.2 0.048 -- -- 1.76 60472 67041 -10.0 -- 49.6
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)
2.65 2.79 92.3 0.178 -- 2.7 1.6 8888

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 0.0 2.0 63162 56944 2797 90.2 0.2006 0.2 0.198 0.269 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 2.8 -- 257 5509 0.29 0.393 0.025 92.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 38.3
Anisotropic B[1][1] 2.25
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 8.25
Anisotropic B[2][2] 1.57
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.81
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 4.89
c_mcangle_it 3.94
c_scbond_it 3.31
c_bond_d 0.011
c_dihedral_angle_d 24.4
c_mcbond_it 2.35
c_improper_angle_d 1.02
c_angle_deg 1.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.34
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.43
Luzzati Sigma A (R-Free Set) 0.52
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13893
Nucleic Acid Atoms 0
Heterogen Atoms 3
Solvent Atoms 453

Software

Software
Software Name Purpose
AMoRE phasing
CNS refinement
DENZO data reduction
CCP4 data scaling version: (SCALA)