X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Lipidic Cubic Phase
pH 6
Temperature 293.0
Details 40-45% PEG 400, 1.0-1.6M NaCl, 100mM sodium cacodylate trihydrate pH 5.5-6.5, lipidic cubic phase with monolein, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 143.59 α = 90
b = 97.82 β = 128.3
c = 94.95 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 300 mm CCD -- 2010-08-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 23-ID-B 1.0330 APS 23-ID-B

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
1.8 50 97.3 0.097 -- -- 4.7 -- 92466 -- -- --
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)
1.8 1.86 90.2 0.68 -- -- 3.4 8519

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 1.8 37.26 -- 0.0 -- 92450 4656 97.21 -- 0.1858 0.1842 0.2147 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 1.801 1.847 -- 318 5797 0.331 0.363 -- 87.65
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.0516
Anisotropic B[1][1] -0.04
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.04
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_4_deg 22.493
r_chiral_restr 0.209
r_dihedral_angle_3_deg 15.849
r_mcangle_it 1.968
r_scangle_it 4.196
r_mcbond_it 1.435
r_angle_refined_deg 2.169
r_gen_planes_refined 0.011
r_dihedral_angle_1_deg 6.102
r_scbond_it 3.015
r_bond_refined_d 0.029
r_dihedral_angle_2_deg 35.353
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5890
Nucleic Acid Atoms 0
Heterogen Atoms 456
Solvent Atoms 193

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
REFMAC refinement
PDB_EXTRACT data extraction version: 3.10
HKL-2000 data collection
HKL-2000 data reduction
HKL-2000 data scaling
MiFit phasing