X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 7
Temperature 295.0
Details Lithium sulfate, PEG 8K, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.55 α = 90
b = 53.8 β = 109.45
c = 71.04 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-07-11
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 0.9795 NSLS X8C

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 31.68 92.5 -- 0.041 -- -- 29056 26888 0.0 0.0 --
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 1.88 94.4 -- -- -- -- 4111

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 31.68 -- 0.0 29056 26888 2667 92.5 -- 0.181 0.181 0.225 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 1.88 -- 318 -- 0.1766 0.2318 0.011 94.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model OVERALL ANISOTROPIC B VALUE
Anisotropic B[1][1] -0.056
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.418
Anisotropic B[2][2] -1.676
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.732
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.615
c_scbond_it 1.892
c_mcangle_it 1.539
c_mcbond_it 1.075
c_improper_angle_d 0.71
c_bond_d 0.005
c_angle_deg 1.4
c_dihedral_angle_d 26.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) -0.04
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.23
Luzzati Sigma A (R-Free Set) 0.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2718
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 244

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
AMoRE model building
SCALEPACK data reduction
DENZO data collection