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_scangle_it 1.93
c_scbond_it 1.717
c_mcangle_it 1.45
c_mcbond_it 1.106
c_bond_d 0.0096
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS 0.4 Structure Refinement
Software
Software Name Purpose
CNS version: 0.4 refinement