X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details CUBIC LIPID PHASE 2.5M PHOSPHATE, pH 5.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.08 α = 90
b = 61.08 β = 90
c = 110.4 γ = 120
Symmetry
Space Group P 63

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-11-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C -- 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
2.25 20 97.2 -- 8.2 -- 2.0 -- 10792 -- 0.0 22.16
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)
2.25 2.33 99.4 -- 32.8 3.4 2.0 --

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 2.25 13.0 -- 1.0 -- 10756 587 97.5 -- 0.167 0.167 0.236 SHELLS
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 2.25 2.33 -- 69 997 0.195 0.293 -- 99.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.24
Anisotropic B[1][1] 0.907
Anisotropic B[1][2] 0.123
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.907
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.814
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.106
c_scbond_it 1.717
c_bond_d 0.0096
c_scangle_it 1.93
c_mcangle_it 1.45
c_angle_d 1.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3670
Nucleic Acid Atoms 0
Heterogen Atoms 406
Solvent Atoms 154

Software

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