X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 293.0
Details 22% polyacrilic acid, 0.1M hepes, 20mM zinc chloride, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 96.75 α = 90
b = 96.75 β = 90
c = 104.72 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2009-07-17
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.97915 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
1.3 25 95.9 0.067 -- -- 10.1 133376 133376 0.0 0.0 13.8

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 1.3 24.99 0.0 0.0 133376 133376 6713 95.9 -- 0.184 0.184 0.198 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 1.3 1.35 9677 530 9677 0.273 0.288 0.013 74.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 15.0
Anisotropic B[1][1] -1.4
Anisotropic B[1][2] -0.36
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.81
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.47
c_scangle_it 2.05
c_mcbond_it 0.7
c_bond_d 0.004
c_mcangle_it 1.05
c_angle_deg 1.3
c_improper_angle_d 0.86
c_dihedral_angle_d 21.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.13
Luzzati Sigma A (Observed) 0.09
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.14
Luzzati Sigma A (R-Free Set) 0.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2979
Nucleic Acid Atoms 0
Heterogen Atoms 3
Solvent Atoms 391

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
BALBES phasing
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling