X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.5
Temperature 293.0
Details 0.9 M ammonium sulfate, 100 mM acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.07 α = 90
b = 124.98 β = 106.09
c = 86.69 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-03-15
Diffraction Radiation
Monochromator Protocol
crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 1.03 SSRL BL9-2

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
2.2 30 99.1 0.121 -- -- -- 70916 70313 -3.0 -3.0 --
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)
2.2 2.24 91.7 0.386 -- -- -- --

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 2.2 30.0 -- 0.0 70549 70134 3559 99.4 -- 0.1775 0.1775 0.2176 random
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] 0.531
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.66
Anisotropic B[2][2] 4.171
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.702
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 2.365
c_scbond_it 3.0
c_mcbond_it 1.677
c_bond_d 0.009
c_angle_deg 1.4
c_scangle_it 4.023
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9872
Nucleic Acid Atoms 0
Heterogen Atoms 200
Solvent Atoms 374

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
phasing model building version: from isomorphous structure
CNS refinement version: 1.0
PHASING phasing version: FROM ISOMORPHOUS STRUCTURE