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_scangle_it 4.023
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
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
PHASING FROM ISOMORPHOUS STRUCTURE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
phasing version: from isomorphous structure model building
SCALEPACK data reduction
DENZO data collection