X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details pH 8.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.5 α = 90
b = 90.8 β = 90
c = 140.2 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS - B4 MIRROR 1998-10-15
Diffraction Radiation
Monochromator Protocol
SILICON CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C

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 21.8 98.4 0.045 -- -- 3.1 -- 31672 -- 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 1.86 96.9 0.413 -- 1.6 2.9 --

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
-- 1.86 21.8 -- 2.0 -- 24924 2512 91.0 -- 0.188 0.188 0.241 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Anisotropic B[1][1] 0.298
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 7.402
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -3.757
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.9
c_bond_d 0.02
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2029
Nucleic Acid Atoms 0
Heterogen Atoms 51
Solvent Atoms 326

Software

Software
Software Name Purpose
CNS refinement version: 0.4
DENZO data reduction
SCALEPACK data scaling