X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Lipidic Cubic Phase
pH 6.5
Temperature 293.0
Details 50mM Sodium Cacodylate, 1.6M NaCl, 40% PEG400, pH 6.5, Lipidic Cubic Phase, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 144.14 α = 90
b = 98.58 β = 127.89
c = 94.8 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 ADSC QUANTUM 315r -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 1.0 SSRL BL7-1

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
2.8 74.82 99.43 -- -- -- -- 26065 25916 -- -- --

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 2.8 74.82 -- -- 24455 24455 1312 99.43 -- 0.18175 0.17934 0.22666 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 2.8 2.873 -- 106 1799 0.277 0.321 -- 99.74
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.916
Anisotropic B[1][1] 0.1
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.68
Anisotropic B[2][2] 0.47
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.5
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.006
r_chiral_restr 0.072
r_dihedral_angle_4_deg 20.527
r_dihedral_angle_3_deg 17.316
r_dihedral_angle_2_deg 35.845
r_dihedral_angle_1_deg 6.92
r_angle_refined_deg 1.131
r_bond_refined_d 0.012
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5887
Nucleic Acid Atoms 0
Heterogen Atoms 456
Solvent Atoms 115

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
SCALA Data Reduction (data scaling)
PHASER Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
PHASER model building