X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Cubic Lipid Phase
pH 5.3
Temperature 295.0
Details CUBIC LIPID PHASE WITH MO, PRECIPITANT KCL, pH 5.3, cubic lipid phase, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 87.34 α = 90
b = 130.81 β = 90
c = 50.87 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH ID13 2001-04-04
Diffraction Radiation
Monochromator Protocol
DOUBLE-XTAL MONO SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID13 -- ESRF ID13

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
2.4 20 92.2 -- 0.085 -- 7.5 -- 10704 -- 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)
2.4 2.44 92.0 0.44 -- -- -- --

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 2.4 20.0 -- 0.0 -- 10704 901 92.2 -- 0.233 0.233 0.28 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 2.4 2.45 -- 23 -- 0.29 0.302 -- 92.2
Temperature Factor Modeling
Temperature Factor Value
Anisotropic B[1][1] -4.69
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -3.962
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 8.651
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.297
c_scbond_it 2.078
c_mcbond_it 1.253
c_bond_d 0.00835
c_scangle_it 2.498
c_mcangle_it 1.735
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1638
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 11

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
X-PLOR model building
CNS version: 1.0 refinement