X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 293.0
Details ammonium sulphate, acetate buffer,, pH 5.00, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 81.51 α = 90
b = 81.51 β = 90
c = 160.24 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE HAMLIN/UCSD COLLIMATOR 1997-02-01
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE 0.9109 CHESS --

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 46.79 70.2 0.048 -- -- 4.31 35710 35710 0.0 0.0 20.6
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)
1.8 1.84 28.0 0.351 -- 2.3 5.15 884

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
FOURIER SYNTHESIS 1.8 8.0 -- 3.0 35710 32345 2620 64.4 0.21 0.204 0.207 0.24 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 1.84 409 36 409 0.208 0.217 0.035 15.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 33.5
Anisotropic B[1][1] 2.47
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.47
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.95
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_mcbond_it 2.3
c_angle_deg 1.198
c_scangle_it 10.4
c_dihedral_angle_d 25.5
c_mcangle_it 3.74
c_improper_angle_d 1.05
c_scbond_it 10.98
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.18
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.25
Luzzati Sigma A (R-Free Set) 0.19
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3737
Nucleic Acid Atoms 0
Heterogen Atoms 88
Solvent Atoms 281

Software

Software
Software Name Purpose
HAMLIN/UCSD data collection
HAMLIN/UCSD data reduction
CNS refinement version: 1.1
HAMLIN data reduction
UCSD data reduction
HAMLIN data scaling
UCSD data scaling
CNS phasing version: 1.1