X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.9
Temperature 293.0
Details ammonium sulfate, bis-tris buffer, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 103.21 α = 90
b = 103.21 β = 90
c = 117.41 γ = 90
Symmetry
Space Group P 43

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-12-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ELETTRA BEAMLINE 5.2R 0.93 ELETTRA 5.2R

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
1.8 35 95.2 0.079 0.066 -- 2.5 -- n/a 2.0 2.0 13.7
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)
1.8 1.86 96.3 0.152 0.164 3.2 1.05 4234

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 1.8 38.76 2.0 2.0 119834 111143 8691 97.9 -- -- 0.226 0.313 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 1.8 1.86 4234 1371 16863 0.329 0.413 0.013 96.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 16.8
Anisotropic B[1][1] -0.18
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.18
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.36
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008
c_dihedral_angle_d 24.0
c_angle_deg 1.5
c_improper_angle_d 1.12
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.33
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.41
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7668
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 525

Software

Software
Software Name Purpose
CNX refinement version: ACCELRYS INC. / CNS 1.1
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 1.1