X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7.5
Temperature 277.0
Details 100mM TRIS, 20% PEG 3350, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 158.88 α = 90
b = 89.65 β = 127.46
c = 119.44 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
CCD ADSC QUANTUM 4 -- 2002-08-23
Diffraction Radiation
Monochromator Protocol
NULL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.9790 NSLS X4A

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 30 97.0 -- -- -- -- 235313 235313 0.0 0.0 13.4
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)
1.8 1.91 93.5 -- -- -- -- --

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
SAD 1.8 29.69 -- 0.0 235313 235313 17177 97.0 -- 0.1921 0.192 0.219 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 1.91 -- 2900 34956 0.207 0.242 0.004 93.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 18.0
Anisotropic B[1][1] 1.32
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.69
Anisotropic B[2][2] -1.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.29
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.79
c_mcbond_it 1.21
c_bond_d 0.005
c_mcangle_it 1.82
c_scangle_it 3.26
c_angle_deg 1.2
c_dihedral_angle_d 21.5
c_scbond_it 2.22
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.09
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9514
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 1046

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SnB phasing
CNS refinement version: 1.1